A study of the airflow on the windward slope of a transverse dune in the Alexandria coastal dunefield
- Authors: Burkinshaw, Jennifer Ruth
- Date: 2021-04
- Subjects: Port Elizabeth (South Africa) , Eastern Cape (South Africa) , South Africa
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/52734 , vital:43883
- Description: Our understanding of the evolution of dune morphology has been hampered by a lack of empirical observations of airflow behaviour over dune forms. Sand dunes intrude into the atmospheric boundary layer and convergence of streamlines results in an acceleration of airflow up the windward slopes of dunes. This study examines the airflow structure and corresponding bedform development on the windward slope of a 7 m high transverse dune on the edge of the Alexandria coastal dunefield, Algoa Bay, South Africa. The Alexandria dunefield is subjected to a trimodal wind regime, consisting of the dominant south-westerly which blows all year round, summer easterlies and winter northwesterlies. The morphology of the study dune, Dune13, is controlled by the easterlies and north-westerlies, and reverses seasonally with respect to these two winds. Seven section lines 30 m apart and normal to the dune crest were surveyed regularly over the period of a year to monitor the reversal process. Three detailed topographic surveys were also done during this period. Airflow behaviour was monitored during the year. Wind speed profiles on the windward slope of the dune were measured using 4 to 5 vertical arrays of anemometers positioned from the base of the dune to the crest on a 1 selected section line. Usually 4 to 5 anemometers were deployed in each vertical array, from a height of 6 to 10 cm above the surface, up to a height of 150 cm above the surface. Initially 8 microanemometers were available; ultimately 28 anemometers were run simultaneously. An independent weather station at an elevation of 6 m recorded the unaccelerated flow. Local gradient measurements and erosion and deposition rates were recorded along selected section lines. Strong summer easterly winds (14 m/sec at 1.4 m above the dune crest) were measured on a dune slope in the process of being transformed from a slipface to a stoss slope. The following winter, light north-westerly winds (typically B m/sec at 1.6 m above the dune crest) were measured on the new windward slope already reversed by the prevailing winter wind. Airflow data confirm the compression of airflow against the windward slope resulting in a non-logarithmic wind speed profile. Compression results in an increased shear velocity within 30 cm of the dune surface, and the dune slope is eroded. Higher up in the wind speed profile, shear velocity decreases to 0.1 m/sec. It is not known at what height the wind speed profile recovers from the intrusion of the dune into the boundary layer. High values of shear velocity (1.6 m/sec) above the rounded crestal area of the dune record the recovery of the wind speed profile from flow divergence, which is a response to the rapid reduction of dune gradient and is accompanied by deposition of sand in this region. 2 The erosion pin data act as a simple and sensitive test for changes in gradient, reflecting the dune's response to changes in the airflow regime. The shape of the dune plays a major role in determining the extent of the compression and the distribution of shear velocity up the slope. Increased shear velocity is experienced on that part of the slope which is nonaerodynamic with respect to the prevailing wind. Under unidirectional conditions, feedback between flow and form results ultimately in a slope with a curvature such that shear velocity increases systematically upslope. The survey data and erosion pin data record the reversal process as the dune achieves a new steady state during each wind season. The existence of a non-logarithmic wind speed profile makes it difficult to know what relevant measure of shear velocity is to be used in sand transport equations. Future work should include wind speed measurements within 10 cm of the surface. An ideal study modelling aeolian bedform development would utilise wind tunnel measurements, combined with field measurements such as obtained in this study, for comparison with numerical modelling. The study needs to be extended to 3-dimensional airflow measurements. , Thesis (MSc) -- Faculty of Science, School of Environmental Sciences, 2021
- Full Text:
- Date Issued: 2021-04
- Authors: Burkinshaw, Jennifer Ruth
- Date: 2021-04
- Subjects: Port Elizabeth (South Africa) , Eastern Cape (South Africa) , South Africa
- Language: English
- Type: Master's theses , text
- Identifier: http://hdl.handle.net/10948/52734 , vital:43883
- Description: Our understanding of the evolution of dune morphology has been hampered by a lack of empirical observations of airflow behaviour over dune forms. Sand dunes intrude into the atmospheric boundary layer and convergence of streamlines results in an acceleration of airflow up the windward slopes of dunes. This study examines the airflow structure and corresponding bedform development on the windward slope of a 7 m high transverse dune on the edge of the Alexandria coastal dunefield, Algoa Bay, South Africa. The Alexandria dunefield is subjected to a trimodal wind regime, consisting of the dominant south-westerly which blows all year round, summer easterlies and winter northwesterlies. The morphology of the study dune, Dune13, is controlled by the easterlies and north-westerlies, and reverses seasonally with respect to these two winds. Seven section lines 30 m apart and normal to the dune crest were surveyed regularly over the period of a year to monitor the reversal process. Three detailed topographic surveys were also done during this period. Airflow behaviour was monitored during the year. Wind speed profiles on the windward slope of the dune were measured using 4 to 5 vertical arrays of anemometers positioned from the base of the dune to the crest on a 1 selected section line. Usually 4 to 5 anemometers were deployed in each vertical array, from a height of 6 to 10 cm above the surface, up to a height of 150 cm above the surface. Initially 8 microanemometers were available; ultimately 28 anemometers were run simultaneously. An independent weather station at an elevation of 6 m recorded the unaccelerated flow. Local gradient measurements and erosion and deposition rates were recorded along selected section lines. Strong summer easterly winds (14 m/sec at 1.4 m above the dune crest) were measured on a dune slope in the process of being transformed from a slipface to a stoss slope. The following winter, light north-westerly winds (typically B m/sec at 1.6 m above the dune crest) were measured on the new windward slope already reversed by the prevailing winter wind. Airflow data confirm the compression of airflow against the windward slope resulting in a non-logarithmic wind speed profile. Compression results in an increased shear velocity within 30 cm of the dune surface, and the dune slope is eroded. Higher up in the wind speed profile, shear velocity decreases to 0.1 m/sec. It is not known at what height the wind speed profile recovers from the intrusion of the dune into the boundary layer. High values of shear velocity (1.6 m/sec) above the rounded crestal area of the dune record the recovery of the wind speed profile from flow divergence, which is a response to the rapid reduction of dune gradient and is accompanied by deposition of sand in this region. 2 The erosion pin data act as a simple and sensitive test for changes in gradient, reflecting the dune's response to changes in the airflow regime. The shape of the dune plays a major role in determining the extent of the compression and the distribution of shear velocity up the slope. Increased shear velocity is experienced on that part of the slope which is nonaerodynamic with respect to the prevailing wind. Under unidirectional conditions, feedback between flow and form results ultimately in a slope with a curvature such that shear velocity increases systematically upslope. The survey data and erosion pin data record the reversal process as the dune achieves a new steady state during each wind season. The existence of a non-logarithmic wind speed profile makes it difficult to know what relevant measure of shear velocity is to be used in sand transport equations. Future work should include wind speed measurements within 10 cm of the surface. An ideal study modelling aeolian bedform development would utilise wind tunnel measurements, combined with field measurements such as obtained in this study, for comparison with numerical modelling. The study needs to be extended to 3-dimensional airflow measurements. , Thesis (MSc) -- Faculty of Science, School of Environmental Sciences, 2021
- Full Text:
- Date Issued: 2021-04
Unfinished business: current and past trade union leaders' perceptions of the political transition after the first decade of democracy (1994-2004) in South Africa
- Authors: Mpunzima, Kayalethu Wycliff
- Date: 2010
- Subjects: Labor unions -- South Africa , Democratization -- South Africa , South Africa -- Politics and government -- 1994-
- Language: English
- Type: Thesis , Masters , MA
- Identifier: vital:11001 , http://hdl.handle.net/10948/1284 , Labor unions -- South Africa , Democratization -- South Africa , South Africa -- Politics and government -- 1994-
- Description: The study reviews the political transition after the first decade of democracy from the trade union leaders’ perspectives. It seeks to understand whether trade union leaders see workers as having reaped benefits from their struggles. Interviews were conducted with ten current and past trade union leaders on their perceptions about the political transition. The trade union leaders that were interviewed have rich experience of combining their organisational and mobilising strength with strategies of engagement. Their involvement with trade unions can be traced back during the dark years of Apartheid. Some of them are still active members of trade unions who are deeply involved in policy formulation at national level. Others occupy influential positions in the private and public sectors. The study investigates and analyses the labour movement’s objectives, strategies and struggles from the apartheid, transition, and democratic eras and into the future. It looks at how these objectives were achieved and how the strategies were implemented. The study revealed that progress was made in the political sphere, e.g. a parliamentary office was established to ensure that workers have a voice in parliament. The study found clear evidence of influence by the labour movement in economic and labour legislation through structures like NEDLAC. In the economic arena, the study found that workers’ economic expectations were partially fulfilled. Trade union leaders attributed this to the failure of the government’s GEAR policy to create jobs. They insisted that RDP should be implemented. The study revealed evidence of serious tensions within the ANC/COSATU/SACP Alliance. The study found that the influence of the labour ally, COSATU, in the Tripartite Alliance had been curtailed. The study also found that the strength of the labour movement eroded during the first decade of democracy. The research found that the labour movement took new initiatives such as union investment companies. The research also found support for the theory that COSATU’s obsession with alliance politics was a barrier to labour unity. COSATU was not involved in the merger talks between FEDUSA and NACTU. The respondents generally felt positively about the future prospects. Respondents were mostly optimistic about the political transformation. If there was slow delivery or no delivery by the government or business, the unions vowed to take to the streets.
- Full Text:
- Date Issued: 2010
- Authors: Mpunzima, Kayalethu Wycliff
- Date: 2010
- Subjects: Labor unions -- South Africa , Democratization -- South Africa , South Africa -- Politics and government -- 1994-
- Language: English
- Type: Thesis , Masters , MA
- Identifier: vital:11001 , http://hdl.handle.net/10948/1284 , Labor unions -- South Africa , Democratization -- South Africa , South Africa -- Politics and government -- 1994-
- Description: The study reviews the political transition after the first decade of democracy from the trade union leaders’ perspectives. It seeks to understand whether trade union leaders see workers as having reaped benefits from their struggles. Interviews were conducted with ten current and past trade union leaders on their perceptions about the political transition. The trade union leaders that were interviewed have rich experience of combining their organisational and mobilising strength with strategies of engagement. Their involvement with trade unions can be traced back during the dark years of Apartheid. Some of them are still active members of trade unions who are deeply involved in policy formulation at national level. Others occupy influential positions in the private and public sectors. The study investigates and analyses the labour movement’s objectives, strategies and struggles from the apartheid, transition, and democratic eras and into the future. It looks at how these objectives were achieved and how the strategies were implemented. The study revealed that progress was made in the political sphere, e.g. a parliamentary office was established to ensure that workers have a voice in parliament. The study found clear evidence of influence by the labour movement in economic and labour legislation through structures like NEDLAC. In the economic arena, the study found that workers’ economic expectations were partially fulfilled. Trade union leaders attributed this to the failure of the government’s GEAR policy to create jobs. They insisted that RDP should be implemented. The study revealed evidence of serious tensions within the ANC/COSATU/SACP Alliance. The study found that the influence of the labour ally, COSATU, in the Tripartite Alliance had been curtailed. The study also found that the strength of the labour movement eroded during the first decade of democracy. The research found that the labour movement took new initiatives such as union investment companies. The research also found support for the theory that COSATU’s obsession with alliance politics was a barrier to labour unity. COSATU was not involved in the merger talks between FEDUSA and NACTU. The respondents generally felt positively about the future prospects. Respondents were mostly optimistic about the political transformation. If there was slow delivery or no delivery by the government or business, the unions vowed to take to the streets.
- Full Text:
- Date Issued: 2010
An appraisal of strike law in South Africa
- Authors: Crompton, Mark Stanley
- Date: 2005
- Subjects: Strikes and lockouts -- Law and legislation -- South Africa , Labor laws and legislation -- South Africa
- Language: English
- Type: Thesis , Masters , LLM
- Identifier: vital:11038 , http://hdl.handle.net/10948/379 , Strikes and lockouts -- Law and legislation -- South Africa , Labor laws and legislation -- South Africa
- Description: The recent amendments made to employment laws and in particular the rewriting of the South African Labour Relations Act has brought into focus the diverse and conflicting interests of employers and employees, which is a concern of labour law analysts. This appraisal of South African of strike law examines the statutory and judicially established labour law in regard to the phenomenon of collective industrial action by employees and the regulation of its occurrence. Historical developments in strike law are traced from the early 1900’s. A period of segregated trade unionism, led ultimately to the introduction of a more inclusive system of regulation, which has in turn been modified to bring the law into line with the new constitutional imperatives. Industrial action occurred, often unregulated and regardless of statutory limitations, and in particular that industrial action which related to mass protest action, now recognized as a specific form of strike. The now repealed Labour Relations Act 28 of 1956 is examined with regard to its strike regulating provisions, and identification of what were then new, unrecognized forms of strike action. It has allowed concepts and principles to be developed, under the unfair labour practice jurisdiction of the Industrial Court, much of which has been incorporated in the new Labour Relations Act. The legislation on strike law, which has been developed over the years, has been refined by the constitutional imperatives introduced to the national legal system. The relevant aspects of the new Constitution Act 108 of 1996 and its pervasive effect on strike law are examined. The right to strike in South African labour law, together with the protection of collective bargaining, is now constitutionally entrenched, and the right to strike is now accepted as a necessary adjunct to collective bargaining. It is necessary to give effect to the Constitution in national legislation, and the Labour Relations Act 66 of 1995 endeavours to accomplish this in chapter IV in regard to strike law, which, it could be argued, limits rather than gives expression to the right to strike. iii The Labour Relations Act of 1995 is then discussed with reference to protected and prohibited strikes, and unregulated strike action. It will be evident that the Act has endeavoured to contain unprocedural and productivity draining industrial action, by subjecting rights disputes to arbitration and Labour Court adjudication, subject to certain exceptions. The recourse to lock-out, as the employer’s prerogative and general corollary of strike action, is briefly discussed. The case law relating to strikes is discussed in respect of both the 1956 Act and the new Labour Relations Act of 1995. Among the issues explored are the strike provisions which have been developed in statute and labour related common law, such as the identification of issues in dispute, notice of strike, the issuing of ultimatums, the audi altarem partem rule and the court’s approach to protected and unprotected strikes. The intention is to determine trends resulting from amendments to the law and draw inferences regarding, in particular, the unregulated form of strikes that occur within the scope of the protections offered by the Act. It is the intention to determine whether the desired effect has been achieved by implementing legislative reforms in response to public policy considerations.
- Full Text:
- Date Issued: 2005
- Authors: Crompton, Mark Stanley
- Date: 2005
- Subjects: Strikes and lockouts -- Law and legislation -- South Africa , Labor laws and legislation -- South Africa
- Language: English
- Type: Thesis , Masters , LLM
- Identifier: vital:11038 , http://hdl.handle.net/10948/379 , Strikes and lockouts -- Law and legislation -- South Africa , Labor laws and legislation -- South Africa
- Description: The recent amendments made to employment laws and in particular the rewriting of the South African Labour Relations Act has brought into focus the diverse and conflicting interests of employers and employees, which is a concern of labour law analysts. This appraisal of South African of strike law examines the statutory and judicially established labour law in regard to the phenomenon of collective industrial action by employees and the regulation of its occurrence. Historical developments in strike law are traced from the early 1900’s. A period of segregated trade unionism, led ultimately to the introduction of a more inclusive system of regulation, which has in turn been modified to bring the law into line with the new constitutional imperatives. Industrial action occurred, often unregulated and regardless of statutory limitations, and in particular that industrial action which related to mass protest action, now recognized as a specific form of strike. The now repealed Labour Relations Act 28 of 1956 is examined with regard to its strike regulating provisions, and identification of what were then new, unrecognized forms of strike action. It has allowed concepts and principles to be developed, under the unfair labour practice jurisdiction of the Industrial Court, much of which has been incorporated in the new Labour Relations Act. The legislation on strike law, which has been developed over the years, has been refined by the constitutional imperatives introduced to the national legal system. The relevant aspects of the new Constitution Act 108 of 1996 and its pervasive effect on strike law are examined. The right to strike in South African labour law, together with the protection of collective bargaining, is now constitutionally entrenched, and the right to strike is now accepted as a necessary adjunct to collective bargaining. It is necessary to give effect to the Constitution in national legislation, and the Labour Relations Act 66 of 1995 endeavours to accomplish this in chapter IV in regard to strike law, which, it could be argued, limits rather than gives expression to the right to strike. iii The Labour Relations Act of 1995 is then discussed with reference to protected and prohibited strikes, and unregulated strike action. It will be evident that the Act has endeavoured to contain unprocedural and productivity draining industrial action, by subjecting rights disputes to arbitration and Labour Court adjudication, subject to certain exceptions. The recourse to lock-out, as the employer’s prerogative and general corollary of strike action, is briefly discussed. The case law relating to strikes is discussed in respect of both the 1956 Act and the new Labour Relations Act of 1995. Among the issues explored are the strike provisions which have been developed in statute and labour related common law, such as the identification of issues in dispute, notice of strike, the issuing of ultimatums, the audi altarem partem rule and the court’s approach to protected and unprotected strikes. The intention is to determine trends resulting from amendments to the law and draw inferences regarding, in particular, the unregulated form of strikes that occur within the scope of the protections offered by the Act. It is the intention to determine whether the desired effect has been achieved by implementing legislative reforms in response to public policy considerations.
- Full Text:
- Date Issued: 2005
Feminisation a period of labour market changes in South Africa
- Authors: Lee, Deborah Ellen
- Date: 2005
- Subjects: Women -- Employment -- South Africa , Discrimination in employment -- South Africa , Wages -- Women -- South Africa , Labor supply -- South Africa
- Language: English
- Type: Thesis , Masters , MCom
- Identifier: vital:11008 , http://hdl.handle.net/10948/363 , Women -- Employment -- South Africa , Discrimination in employment -- South Africa , Wages -- Women -- South Africa , Labor supply -- South Africa
- Description: The post-1994 role of women in the South African economy is changing with respect to issues such as education and employment opportunities. In the past, men tended to hold the primary or ‘good’ jobs, which have the greatest stability and promotional potential, whilst women tended to hold the secondary or ‘poor’ jobs, which have lower stability and lower wages (Kelly, 1991). Women’s labour force participation has risen significantly over the years since 1994, but more in depth research is needed in order to determine where and how changes could be implemented to ensure that any past gender inequalities fall away with minimal impact on the economy as a whole. As such, certain dynamics within the labour market need to be considered. Firstly, pre-market types of discrimination, including issues such as gender discrimination during the acquisition of human capital through educational attainment should be considered. In most countries, women enter the labour market with severe disadvantage in that they have been subject to discrimination in schooling opportunities (Standing, Sender & Weeks, 1996). Secondly, the feminisation of the labour force is dealt with, as well as what factors affect the female labour force participation decision (i.e. the decision of whether to participate in the labour market or not). iv Thirdly, employment discrimination is investigated, including the concept of ‘occupational crowding’. An analysis of trends in the occupational structure of economically active women in South Africa shows the typical shift out of agriculture into industrial related jobs (Verhoef, 1996). Lastly, wage discrimination is analysed, in order to determine if women get lower rates of pay for ‘equal work’. The objectives of this study are aimed at determining whether there have been any positive changes with respect to women in any of these focal areas mentioned above. There are studies that have established gender differentials when it comes to formal education, and these place women at the disadvantaged end (Bankole & Eboiyehi, 2000). If one considers the educational measures, namely, the levels of literacy, years of education, and overall educational attainment, employed by this country to determine whether there are in fact observed differences between the education of boys and girls, the following was found: Males rate higher with respect to two of these measures, namely literacy and educational attainment, and are thus able to exhibit lower levels of poverty than females in South Africa. Men exhibit slightly higher literacy rates than women of the same age (Statistics South Africa, 2002), and men also rate higher than women when it comes to university education. With regards to primary and secondary school attainment v since 1994, the gender gap does appear to have disappeared. The ‘neoclassical model of labour-leisure choice’, as applied in this study, shows that as the wage rate increases, women have an incentive to reduce the time they allocate to the household sector and are more likely to enter the labour market. In South Africa, however, the increase in the female participation rate has merely translated into a rise in unemployment and has not been associated with an increase in the demand for female labour. This implies that South African women are being ‘pushed’ into the labour market due to economic need, rather than being ‘pulled’ into the labour market in order to earn a higher wage. Women are gradually becoming better represented at all levels across a wide range of occupations. Women, however, continue to face greater prospects of unemployment and to earn less than their male counterparts even when they do find employment. These lower female wages are partly as a result of ‘occupational crowding’, whereby women are over-represented in certain occupations resulting in excess labour supply which drives down the wage rate. It has been determined that the problem of occupational crowding is a real and immediate one and has been found to depress wages within certain female specific occupations.
- Full Text:
- Date Issued: 2005
- Authors: Lee, Deborah Ellen
- Date: 2005
- Subjects: Women -- Employment -- South Africa , Discrimination in employment -- South Africa , Wages -- Women -- South Africa , Labor supply -- South Africa
- Language: English
- Type: Thesis , Masters , MCom
- Identifier: vital:11008 , http://hdl.handle.net/10948/363 , Women -- Employment -- South Africa , Discrimination in employment -- South Africa , Wages -- Women -- South Africa , Labor supply -- South Africa
- Description: The post-1994 role of women in the South African economy is changing with respect to issues such as education and employment opportunities. In the past, men tended to hold the primary or ‘good’ jobs, which have the greatest stability and promotional potential, whilst women tended to hold the secondary or ‘poor’ jobs, which have lower stability and lower wages (Kelly, 1991). Women’s labour force participation has risen significantly over the years since 1994, but more in depth research is needed in order to determine where and how changes could be implemented to ensure that any past gender inequalities fall away with minimal impact on the economy as a whole. As such, certain dynamics within the labour market need to be considered. Firstly, pre-market types of discrimination, including issues such as gender discrimination during the acquisition of human capital through educational attainment should be considered. In most countries, women enter the labour market with severe disadvantage in that they have been subject to discrimination in schooling opportunities (Standing, Sender & Weeks, 1996). Secondly, the feminisation of the labour force is dealt with, as well as what factors affect the female labour force participation decision (i.e. the decision of whether to participate in the labour market or not). iv Thirdly, employment discrimination is investigated, including the concept of ‘occupational crowding’. An analysis of trends in the occupational structure of economically active women in South Africa shows the typical shift out of agriculture into industrial related jobs (Verhoef, 1996). Lastly, wage discrimination is analysed, in order to determine if women get lower rates of pay for ‘equal work’. The objectives of this study are aimed at determining whether there have been any positive changes with respect to women in any of these focal areas mentioned above. There are studies that have established gender differentials when it comes to formal education, and these place women at the disadvantaged end (Bankole & Eboiyehi, 2000). If one considers the educational measures, namely, the levels of literacy, years of education, and overall educational attainment, employed by this country to determine whether there are in fact observed differences between the education of boys and girls, the following was found: Males rate higher with respect to two of these measures, namely literacy and educational attainment, and are thus able to exhibit lower levels of poverty than females in South Africa. Men exhibit slightly higher literacy rates than women of the same age (Statistics South Africa, 2002), and men also rate higher than women when it comes to university education. With regards to primary and secondary school attainment v since 1994, the gender gap does appear to have disappeared. The ‘neoclassical model of labour-leisure choice’, as applied in this study, shows that as the wage rate increases, women have an incentive to reduce the time they allocate to the household sector and are more likely to enter the labour market. In South Africa, however, the increase in the female participation rate has merely translated into a rise in unemployment and has not been associated with an increase in the demand for female labour. This implies that South African women are being ‘pushed’ into the labour market due to economic need, rather than being ‘pulled’ into the labour market in order to earn a higher wage. Women are gradually becoming better represented at all levels across a wide range of occupations. Women, however, continue to face greater prospects of unemployment and to earn less than their male counterparts even when they do find employment. These lower female wages are partly as a result of ‘occupational crowding’, whereby women are over-represented in certain occupations resulting in excess labour supply which drives down the wage rate. It has been determined that the problem of occupational crowding is a real and immediate one and has been found to depress wages within certain female specific occupations.
- Full Text:
- Date Issued: 2005
Habitat suitability and behaviour of springbok (Antidorcas marsupialis) at Augrabies Falls National Park, South Africa
- Authors: Reid, Caroline
- Date: 2005
- Subjects: Springbok -- Habitat suitability index models -- South Africa -- Augrabies Falls National Park , Springbok -- Behavior -- South Africa -- Augrabies Falls National Park
- Language: English
- Type: Thesis , Masters , MSc
- Identifier: vital:11079 , http://hdl.handle.net/10948/362 , Springbok -- Habitat suitability index models -- South Africa -- Augrabies Falls National Park , Springbok -- Behavior -- South Africa -- Augrabies Falls National Park
- Description: Habitat selection may be considered a behavioural consequence of an individual actively selecting where it lives or passively persisting in a certain habitat. There are a variety of approaches to assessing habitat selection, including relating densities to predefined habitats and the characteristics of these habitats, measuring the behaviour of animals within predefined habitats in order to assess the relative benefits to the animal and comparing these between habitats, and using optimality theory to allow the animal to provide measures of its preference for particular habitats or patches. Each approach provides different perspectives on an animal’s choice and use of habitat, with some approaches working more effectively with certain species or habitats than others. There have, however, been no attempts to apply all these approaches to a single species at a single site. The objective of this study was therefore to apply the three above-mentioned approaches to assess habitat use and quality to a single species, the springbok (Antidorcas marsupialis) at the Augrabies Falls National Park (AFNP), on the northern bank of the Orange River, in order to provide the basis for further work on comparing and integrating these approaches. The relative abundance of springbok in Augrabies Falls National park was used to develop a habitat suitability model for the park, and thus determine the habitat variables that influenced habitat suitability. Isodar analysis revealed information on the mechanisms underlying habitat preference. Behavioural models were developed to improve our understanding of how springbok behaviour changes in relation to the habitat, and incorporated the variables identified in the habitat suitability model. The different spatial and temporal scales influencing springbok habitat selection were determined using optimal foraging theory and giving-up densities. Springbok preferred open habitats providing high food quality. Springbok behaviour was related to the foraging and predation risk characteristics of the habitat, and springbok varied their temporal and spatial utilisation so as to minimise their risk of predation and maximise their food intake. The habitat suitability model, behaviour models and giving-up densities were compared for ease of use and applicability. Using giving-up densities to reveal habitat suitability had greater applicability and was both efficient and objective.
- Full Text:
- Date Issued: 2005
- Authors: Reid, Caroline
- Date: 2005
- Subjects: Springbok -- Habitat suitability index models -- South Africa -- Augrabies Falls National Park , Springbok -- Behavior -- South Africa -- Augrabies Falls National Park
- Language: English
- Type: Thesis , Masters , MSc
- Identifier: vital:11079 , http://hdl.handle.net/10948/362 , Springbok -- Habitat suitability index models -- South Africa -- Augrabies Falls National Park , Springbok -- Behavior -- South Africa -- Augrabies Falls National Park
- Description: Habitat selection may be considered a behavioural consequence of an individual actively selecting where it lives or passively persisting in a certain habitat. There are a variety of approaches to assessing habitat selection, including relating densities to predefined habitats and the characteristics of these habitats, measuring the behaviour of animals within predefined habitats in order to assess the relative benefits to the animal and comparing these between habitats, and using optimality theory to allow the animal to provide measures of its preference for particular habitats or patches. Each approach provides different perspectives on an animal’s choice and use of habitat, with some approaches working more effectively with certain species or habitats than others. There have, however, been no attempts to apply all these approaches to a single species at a single site. The objective of this study was therefore to apply the three above-mentioned approaches to assess habitat use and quality to a single species, the springbok (Antidorcas marsupialis) at the Augrabies Falls National Park (AFNP), on the northern bank of the Orange River, in order to provide the basis for further work on comparing and integrating these approaches. The relative abundance of springbok in Augrabies Falls National park was used to develop a habitat suitability model for the park, and thus determine the habitat variables that influenced habitat suitability. Isodar analysis revealed information on the mechanisms underlying habitat preference. Behavioural models were developed to improve our understanding of how springbok behaviour changes in relation to the habitat, and incorporated the variables identified in the habitat suitability model. The different spatial and temporal scales influencing springbok habitat selection were determined using optimal foraging theory and giving-up densities. Springbok preferred open habitats providing high food quality. Springbok behaviour was related to the foraging and predation risk characteristics of the habitat, and springbok varied their temporal and spatial utilisation so as to minimise their risk of predation and maximise their food intake. The habitat suitability model, behaviour models and giving-up densities were compared for ease of use and applicability. Using giving-up densities to reveal habitat suitability had greater applicability and was both efficient and objective.
- Full Text:
- Date Issued: 2005
Knowledge levels of school learners before and after a life skills program on rape and child abuse
- Authors: Britz, Cecelia Adonia
- Date: 2005
- Subjects: Rape -- Prevention , Child abuse -- Prevention , School children -- Life skills assessment -- South Africa -- Port Elizabeth
- Language: English
- Type: Thesis , Masters , MA
- Identifier: vital:11017 , http://hdl.handle.net/10948/360 , Rape -- Prevention , Child abuse -- Prevention , School children -- Life skills assessment -- South Africa -- Port Elizabeth
- Description: Due to the early age at which children are exposed to rape and child abuse, preventative programs should be implemented as early as possible. Schools provide ample opportunity to reach learners of all ages. Educators have regular contact with learners and have a key role to play in the implementation of comprehensive health and education life skills programs. Non-Governmental Organisations (NGO) can link up with schools to combat abuse that affects children in South African communities. The Ubuntu Education Fund requested the Health and Development Research Institute (HDRI) of the University of Port Elizabeth to assist with the evaluation of the Mpilo-Lwazi life skills program for grade 6 to 9 learners at 5 primary and 5 secondary schools in the Nelson Mandela Metropole. The schools were selected by non-probability convenience sampling and the learners via simple random sampling. The life skills program addressed issues of HIV/AIDS, STI and rape and child abuse and the requested evaluation encompassed both the quantitative pretest-posttest assessment of knowledge plus a qualitative focus group assessment of perception of the content and presentation of the life skills program. A multiple pretest-post-test quasi-experimental research design was used. This study focused on the quantitative aspect of rape and child abuse and aimed to describe learners’ base line knowledge before receiving education in rape and child abuse life skills programs and acquired knowledge after the program had been implemented. Descriptive statistics were employed to describe the pre and post test information and the Hotelling’s T2 was used to identify variation in profiles. Posthoc t-tests established significant differences between grades. Structured questionnaires were used to achieve the aims of the research. Results of both the quantitative and qualitative findings were collated to be presented to the Ubuntu Education Fund. The results of the study were as follows: ix The results indicated that the overall level of knowledge regarding Rape and Child Abuse among the sample of grade six to nine learners was average. A small increase in knowledge was identified in the post-test. The area most successful for knowledge increase was the section relating to general information on the victims of Rape and Child Abuse. An area where knowledge actually decreased was that on reporting the rape or abuse. Knowledge of rape and child abuse alone is not sufficient to bring about change in behaviour. Changes in beliefs, such as increased awareness that rape and child abuse are prevalent in families and communities, and attitude change are necessary to facilitate the adoption of health-promoting behaviour. Future education efforts need to introduce health educators into the Rape and Child Abuse life skills program at schools in educating the learners. The format of teaching should also take into account the preferred method of presentation indicated by the learners as this would facilitate optimal intake of information.
- Full Text:
- Date Issued: 2005
- Authors: Britz, Cecelia Adonia
- Date: 2005
- Subjects: Rape -- Prevention , Child abuse -- Prevention , School children -- Life skills assessment -- South Africa -- Port Elizabeth
- Language: English
- Type: Thesis , Masters , MA
- Identifier: vital:11017 , http://hdl.handle.net/10948/360 , Rape -- Prevention , Child abuse -- Prevention , School children -- Life skills assessment -- South Africa -- Port Elizabeth
- Description: Due to the early age at which children are exposed to rape and child abuse, preventative programs should be implemented as early as possible. Schools provide ample opportunity to reach learners of all ages. Educators have regular contact with learners and have a key role to play in the implementation of comprehensive health and education life skills programs. Non-Governmental Organisations (NGO) can link up with schools to combat abuse that affects children in South African communities. The Ubuntu Education Fund requested the Health and Development Research Institute (HDRI) of the University of Port Elizabeth to assist with the evaluation of the Mpilo-Lwazi life skills program for grade 6 to 9 learners at 5 primary and 5 secondary schools in the Nelson Mandela Metropole. The schools were selected by non-probability convenience sampling and the learners via simple random sampling. The life skills program addressed issues of HIV/AIDS, STI and rape and child abuse and the requested evaluation encompassed both the quantitative pretest-posttest assessment of knowledge plus a qualitative focus group assessment of perception of the content and presentation of the life skills program. A multiple pretest-post-test quasi-experimental research design was used. This study focused on the quantitative aspect of rape and child abuse and aimed to describe learners’ base line knowledge before receiving education in rape and child abuse life skills programs and acquired knowledge after the program had been implemented. Descriptive statistics were employed to describe the pre and post test information and the Hotelling’s T2 was used to identify variation in profiles. Posthoc t-tests established significant differences between grades. Structured questionnaires were used to achieve the aims of the research. Results of both the quantitative and qualitative findings were collated to be presented to the Ubuntu Education Fund. The results of the study were as follows: ix The results indicated that the overall level of knowledge regarding Rape and Child Abuse among the sample of grade six to nine learners was average. A small increase in knowledge was identified in the post-test. The area most successful for knowledge increase was the section relating to general information on the victims of Rape and Child Abuse. An area where knowledge actually decreased was that on reporting the rape or abuse. Knowledge of rape and child abuse alone is not sufficient to bring about change in behaviour. Changes in beliefs, such as increased awareness that rape and child abuse are prevalent in families and communities, and attitude change are necessary to facilitate the adoption of health-promoting behaviour. Future education efforts need to introduce health educators into the Rape and Child Abuse life skills program at schools in educating the learners. The format of teaching should also take into account the preferred method of presentation indicated by the learners as this would facilitate optimal intake of information.
- Full Text:
- Date Issued: 2005
Teacher receptivity of an integrated curriculum with special reference to the foundation phase of curriculum 2005
- Authors: Nthulanyane, Malefa Regina
- Date: 2005
- Subjects: Interdisciplinary approach in education -- South Africa , Primary school teachers -- South Africa -- Eastern Cape , Education, Primary -- South Africa -- Curricula
- Language: English
- Type: Thesis , Masters , MPhil
- Identifier: vital:11011 , http://hdl.handle.net/10948/378 , Interdisciplinary approach in education -- South Africa , Primary school teachers -- South Africa -- Eastern Cape , Education, Primary -- South Africa -- Curricula
- Description: The purpose of the study was to investigate teacher receptivity of a new curriculum, in particular, the new integrated curriculum of South Africa. As the New Revised national curriculum Statement is starting to be operational this year, Curriculum 2005 was used as a model of an integrated curriculum in this study. The study focused on the following sub-problems: the meaning of an integrated curriculum; teacher receptivity of an integrated curriculum; and the extent to which teachers are receptive of the new integrated foundation phase curriculum. The review of relevant literature provided a conceptual framework for the study. Six dimensions of a curriculum that were regarded as critical in classroom practice for practicing teachers were identified and used to describe an integrated curriculum. These were: platform, learning outcomes, content, instructional materials, teaching and learning strategies and assessment. The conceptual framework for teacher receptivity was also identified by means of review of relevant literature. Teacher receptivity was conceptualised as comprising of attitudes and behavioral intentions. The empirical part of the study was undertaken to determine the attitudes of teachers towards an integrated foundation phase curriculum and the extent to which foundation phase teachers were receptive of the new curriculum. The sample for the empirical part of the study included 63 foundation phase teachers randomly selected from 21 schools in Herschel District. The schools were randomly selected from 3 zones which had been randomly selected from 7 zones that make up Hershel Educational District in the Eastern Cape, South Africa. Empirical data on teachers’ attitudes towards an integrated curriculum indicated that the majority of teachers were viewed the curriculum in an extremely positive light/somewhat positive light. There were responses which indicated that some teachers regarded the curriculum as complicated, restrictive, and idealistic. This situation is highlighted in their responses to the semantic differential on the attitude objects of the curriculum. Data on teacher receptivity indicated positive responses but vi there were some area of concern such as, for example, support from the district manager, school and the community. Data indicated that teachers were not so positive abut learning outcomes and assessment as a basis of teaching an integrated curriculum. Based on the empirical part of the study, conclusions and recommendations were made.
- Full Text:
- Date Issued: 2005
- Authors: Nthulanyane, Malefa Regina
- Date: 2005
- Subjects: Interdisciplinary approach in education -- South Africa , Primary school teachers -- South Africa -- Eastern Cape , Education, Primary -- South Africa -- Curricula
- Language: English
- Type: Thesis , Masters , MPhil
- Identifier: vital:11011 , http://hdl.handle.net/10948/378 , Interdisciplinary approach in education -- South Africa , Primary school teachers -- South Africa -- Eastern Cape , Education, Primary -- South Africa -- Curricula
- Description: The purpose of the study was to investigate teacher receptivity of a new curriculum, in particular, the new integrated curriculum of South Africa. As the New Revised national curriculum Statement is starting to be operational this year, Curriculum 2005 was used as a model of an integrated curriculum in this study. The study focused on the following sub-problems: the meaning of an integrated curriculum; teacher receptivity of an integrated curriculum; and the extent to which teachers are receptive of the new integrated foundation phase curriculum. The review of relevant literature provided a conceptual framework for the study. Six dimensions of a curriculum that were regarded as critical in classroom practice for practicing teachers were identified and used to describe an integrated curriculum. These were: platform, learning outcomes, content, instructional materials, teaching and learning strategies and assessment. The conceptual framework for teacher receptivity was also identified by means of review of relevant literature. Teacher receptivity was conceptualised as comprising of attitudes and behavioral intentions. The empirical part of the study was undertaken to determine the attitudes of teachers towards an integrated foundation phase curriculum and the extent to which foundation phase teachers were receptive of the new curriculum. The sample for the empirical part of the study included 63 foundation phase teachers randomly selected from 21 schools in Herschel District. The schools were randomly selected from 3 zones which had been randomly selected from 7 zones that make up Hershel Educational District in the Eastern Cape, South Africa. Empirical data on teachers’ attitudes towards an integrated curriculum indicated that the majority of teachers were viewed the curriculum in an extremely positive light/somewhat positive light. There were responses which indicated that some teachers regarded the curriculum as complicated, restrictive, and idealistic. This situation is highlighted in their responses to the semantic differential on the attitude objects of the curriculum. Data on teacher receptivity indicated positive responses but vi there were some area of concern such as, for example, support from the district manager, school and the community. Data indicated that teachers were not so positive abut learning outcomes and assessment as a basis of teaching an integrated curriculum. Based on the empirical part of the study, conclusions and recommendations were made.
- Full Text:
- Date Issued: 2005
The right to mother tongue education a multi-disciplinary, normative perspective
- Authors: Prinsloo, Dawn Lilian
- Date: 2005
- Subjects: Native language and education -- Government policy -- South Africa , Language and education -- South Africa
- Language: English
- Type: Thesis , Masters , MA
- Identifier: vital:10999 , http://hdl.handle.net/10948/365 , Native language and education -- Government policy -- South Africa , Language and education -- South Africa
- Description: The post-apartheid South African Constitution guarantees the children of this country “the right to receive education in the official language or languages of their choice in public education institutions where that education is reasonably practicable” (The Constitution of the Republic of South Africa, Act 108 of 1996, Section 29 (2)) (Juta’s Statutes 2003). Yet ten years into the new dispensation nothing significant has been done to alter a situation in which the majority of children are obliged to access their basic education largely through the medium of a second or even a third language — English. In contravention of both the intentions and the specific provisions of numerous legislative measures and policy statements, Government has made no serious or effective attempt to promote the use of any language other than English in South African schools nor to encourage language practices most conducive to the cognitive development and academic success of millions of non-English speaking pupils. To make matters worse, most of the children who enter the school system with very little knowledge of English and are expected to make an abrupt transition to that language as a medium of instruction after a totally inadequate three years are from impoverished households and communities still suffering the gravest effects of the discrimination and oppression of apartheid. They are often underprepared and seriously disadvantaged by their background circumstances when they enter the culturally strange and intimidating western-style education system. To heap on top of these disadvantages the burden of language practices in the classroom that hinder rather than facilitate their access to education is indefensible. When Macdonald asks, “ Are our children still swimming up the waterfall?” (Macdonald 2002: 111) she is not exaggerating. In these circumstances and if ineffective language teaching and inadequate use of the mother tongue as a medium of instruction can be shown to bar effective access to basic education of an acceptable standard, there are far more serious and far-reaching implications in terms of human rights than just the right to choice of language medium. Linguistic research into medium of instruction has tended to be isolated from evaluative legal approaches to minority language rights, children’s rights, education rights or other fundamental human rights. Insufficient attention has been given to the interrelationship between the various rights and the importance of local conditions and circumstances in any assessment of their relative weight and enforceability. Human rights cannot be seen out of context, and theory from various disciplines, such as politics, economics and linguistics may be invaluable in forming a fresh perspective on the right to mother tongue education and, indeed, to basic education in general. The principle of non-discrimination in education is generally recognised, to be sure, as is the importance of ensuring access to and quality of education (Strydom 1992/93:139), but the dependence of these factors on the most appropriate medium of instruction within the education system does not merit much attention in the literature. The right to basic education tends to be seen as separate from any possible right to choice of medium of instruction and the latter often merely as a question of convenience or preference, at best a qualified right (Oosthuizen and Rossouw 2001: 666), dependent on feasibility, numbers and available finance (Motata and Lemmer 2002: 111). In fact, the case for regarding the right to mother tongue education as a strong positive right in many contexts and countries does not appear yet to have been made. This study is theoretical in nature and constitutes an attempt to fill this gap by examining the findings and views of experts from various disciplines within the framework of current thinking on human rights issues. The development of a coherent framework within which to view the right to mother tongue education and government obligations in connection therewith might be of some value to policy makers in their efforts to plan improvements within the education system. The synthesis and possibly, to a limited extent, the development of theory from the relevant disciplines will be undertaken by means of a survey of the relevant literature, an analysis of not only local but also international legislation and policy documents and the weighing and balancing of conflicting evidence and contrasting viewpoints. Sources and contributions in each area will be discussed under the headings outlined in Chapter 3. First, however, I should like to provide an overview of the educational, political and economic context in which mother tongue education must be considered.
- Full Text:
- Date Issued: 2005
- Authors: Prinsloo, Dawn Lilian
- Date: 2005
- Subjects: Native language and education -- Government policy -- South Africa , Language and education -- South Africa
- Language: English
- Type: Thesis , Masters , MA
- Identifier: vital:10999 , http://hdl.handle.net/10948/365 , Native language and education -- Government policy -- South Africa , Language and education -- South Africa
- Description: The post-apartheid South African Constitution guarantees the children of this country “the right to receive education in the official language or languages of their choice in public education institutions where that education is reasonably practicable” (The Constitution of the Republic of South Africa, Act 108 of 1996, Section 29 (2)) (Juta’s Statutes 2003). Yet ten years into the new dispensation nothing significant has been done to alter a situation in which the majority of children are obliged to access their basic education largely through the medium of a second or even a third language — English. In contravention of both the intentions and the specific provisions of numerous legislative measures and policy statements, Government has made no serious or effective attempt to promote the use of any language other than English in South African schools nor to encourage language practices most conducive to the cognitive development and academic success of millions of non-English speaking pupils. To make matters worse, most of the children who enter the school system with very little knowledge of English and are expected to make an abrupt transition to that language as a medium of instruction after a totally inadequate three years are from impoverished households and communities still suffering the gravest effects of the discrimination and oppression of apartheid. They are often underprepared and seriously disadvantaged by their background circumstances when they enter the culturally strange and intimidating western-style education system. To heap on top of these disadvantages the burden of language practices in the classroom that hinder rather than facilitate their access to education is indefensible. When Macdonald asks, “ Are our children still swimming up the waterfall?” (Macdonald 2002: 111) she is not exaggerating. In these circumstances and if ineffective language teaching and inadequate use of the mother tongue as a medium of instruction can be shown to bar effective access to basic education of an acceptable standard, there are far more serious and far-reaching implications in terms of human rights than just the right to choice of language medium. Linguistic research into medium of instruction has tended to be isolated from evaluative legal approaches to minority language rights, children’s rights, education rights or other fundamental human rights. Insufficient attention has been given to the interrelationship between the various rights and the importance of local conditions and circumstances in any assessment of their relative weight and enforceability. Human rights cannot be seen out of context, and theory from various disciplines, such as politics, economics and linguistics may be invaluable in forming a fresh perspective on the right to mother tongue education and, indeed, to basic education in general. The principle of non-discrimination in education is generally recognised, to be sure, as is the importance of ensuring access to and quality of education (Strydom 1992/93:139), but the dependence of these factors on the most appropriate medium of instruction within the education system does not merit much attention in the literature. The right to basic education tends to be seen as separate from any possible right to choice of medium of instruction and the latter often merely as a question of convenience or preference, at best a qualified right (Oosthuizen and Rossouw 2001: 666), dependent on feasibility, numbers and available finance (Motata and Lemmer 2002: 111). In fact, the case for regarding the right to mother tongue education as a strong positive right in many contexts and countries does not appear yet to have been made. This study is theoretical in nature and constitutes an attempt to fill this gap by examining the findings and views of experts from various disciplines within the framework of current thinking on human rights issues. The development of a coherent framework within which to view the right to mother tongue education and government obligations in connection therewith might be of some value to policy makers in their efforts to plan improvements within the education system. The synthesis and possibly, to a limited extent, the development of theory from the relevant disciplines will be undertaken by means of a survey of the relevant literature, an analysis of not only local but also international legislation and policy documents and the weighing and balancing of conflicting evidence and contrasting viewpoints. Sources and contributions in each area will be discussed under the headings outlined in Chapter 3. First, however, I should like to provide an overview of the educational, political and economic context in which mother tongue education must be considered.
- Full Text:
- Date Issued: 2005
"Speak American"! or language, power and education in Dearborn, Michigan: a case study of Arabic heritage learners and their community
- Authors: Ayouby, Kenneth Kahtan
- Date: 2004
- Subjects: Arabic language -- Study and teaching (Higher) -- Michigan -- Dearborn , Education and language -- Michigan -- Dearborn
- Language: English
- Type: Thesis , Doctoral , DEd
- Identifier: vital:11015 , http://hdl.handle.net/10948/369 , Arabic language -- Study and teaching (Higher) -- Michigan -- Dearborn , Education and language -- Michigan -- Dearborn
- Description: This study examines the history and development of the “Arabic as a foreign language” (AFL) programme in Dearborn Public Schools (in Michigan, the United States) in its socio-cultural and political context. More specifically, this study examines the significance of Arabic to the Arab immigrant and ethnic community in Dearborn in particular, but with reference to meanings generated and associated to Arabic by non- Arabs in the same locale. Although this study addresses questions similar to research conducted on Arab Americans in light of anthropological and sociological theoretical constructs, it is, however, unique in examining education and Arabic pedagogy in Dearborn from an Arab American studies and an educational multi-cultural perspective, predicated on/and drawing from Edward Said’s critique of Orientalism, Paulo Freire’s ideas about education, and Henry Giroux’s concern with critical pedagogy. In the American mindscape, the "East" has been the theatre of the exotic, the setting of the Other from colonial times to the present. The Arab and Muslim East have been constructed to represent an opposite of American culture, values and life. Through the agency of conflation, Arab (and Muslim) Americans are accordingly lumped together with people from abroad, making for their status as permanent outsiders. Thus, if the American Self represents an ideal, the inhabitants of this oppositional world of Arabs and Islam (an Anti-world) represent an Anti-self. A source of fear and object of hate and prejudice, this Anti-self is the object of derision and anything connected with it (e.g. language, customs, religion, etc.) becomes suspect and is devalued by association. This document has two objectives: First, to present an historical account of this context, and, secondly, to shed light on how and why things that are associated with Arab Americans in Dearborn are devalued. This is achieved by addressing the developments of meanings (of actions and symbols) in their American context, and how they have shaped (and still shape) the local culture's depiction of and understanding of Arab (and Muslim) Americans. Therefore, Arab American issues of language, culture and societal interactions should be understood as constituting a stream of American life, which represent a dimension of the total American experience, past and present, that is best understood through the paradigm of American studies. Viewing this experience as a cultural whole rather than as a series of unrelated fragments (e.g. immigration waves and settlement patterns, religious and state affiliations, assimilation and preservation debates), Arab American culture and issues begin to shine through as an organic and holistic experience whose characteristics are shared with other groups, suggesting research on this community is equally generalisable to others. ii As an academic work, this document promotes an understanding of the Arab American experience from an interdisciplinary point of view through focusing on the phenomenon of language in the community with emphasis placed on the AFL experience at school. Therefore, it is a broadly-framed outlook that permits, in an introductory way, a view of the richness of the Arab American experience, particularly in Dearborn, Michigan, as part of the American experience. Data were collected using two surveys, one for AFL students at a high school, and another was administered to adults in the community—in Dearborn. In addition, an action-research-based effort, individual personal interviews and focus groups were conducted with stakeholders in the community: parents/community members, teachers/school personnel and students, utilising personal involvement in understanding and analysing the data. Also, the study referred to archival and documentary evidence available in the school system. Four hypotheses regarding importance/significance and utility of Arabic were offered and tested by means of qualitative, interpretive analysis. Findings included: (1) Arab Americans valued Arabic as an emblem of their community in Dearborn, suggesting its employment as an indicator of political empowerment. (2) Conversely, in the non-Arab community Arabic was observed as a mark of the Other, and an artefact of ethnic retrenchment and rejection of assimilation. (3) Interestingly, however, development of English language competence emerged as a major concern in the community, outweighing Arabic language preservation. (4) While, language maintenance efforts in the community were observed as minimal, especially at the organisational level, and support for such programmes was marginal to nil. (5) Additionally, Arabic, while not the object of a desire to master as a medium of communication, was observed to signify a special symbol of heritage for Arab American youth in the Dearborn community, who may have rejected their parents’ ideas about learning Arabic, but had developed their own. (6) What is more, Arab American youth were observed developing a viable hybridised identity, whose mainstay is being “Arabic”, despite the dominance of English and Euro-Anglo cultural norms. (7) At the institutional level, Arabic was observed devalued in the school setting due to its association with Arabs, Islam, Arab Americans, and immigration. (8) Moreover, relations between Arab Americans and non-Arab Americans in the school system seems to have been equally impacted by this process of devaluation, furthering the cause of stigmatisation, prejudice and racism.
- Full Text:
- Date Issued: 2004
- Authors: Ayouby, Kenneth Kahtan
- Date: 2004
- Subjects: Arabic language -- Study and teaching (Higher) -- Michigan -- Dearborn , Education and language -- Michigan -- Dearborn
- Language: English
- Type: Thesis , Doctoral , DEd
- Identifier: vital:11015 , http://hdl.handle.net/10948/369 , Arabic language -- Study and teaching (Higher) -- Michigan -- Dearborn , Education and language -- Michigan -- Dearborn
- Description: This study examines the history and development of the “Arabic as a foreign language” (AFL) programme in Dearborn Public Schools (in Michigan, the United States) in its socio-cultural and political context. More specifically, this study examines the significance of Arabic to the Arab immigrant and ethnic community in Dearborn in particular, but with reference to meanings generated and associated to Arabic by non- Arabs in the same locale. Although this study addresses questions similar to research conducted on Arab Americans in light of anthropological and sociological theoretical constructs, it is, however, unique in examining education and Arabic pedagogy in Dearborn from an Arab American studies and an educational multi-cultural perspective, predicated on/and drawing from Edward Said’s critique of Orientalism, Paulo Freire’s ideas about education, and Henry Giroux’s concern with critical pedagogy. In the American mindscape, the "East" has been the theatre of the exotic, the setting of the Other from colonial times to the present. The Arab and Muslim East have been constructed to represent an opposite of American culture, values and life. Through the agency of conflation, Arab (and Muslim) Americans are accordingly lumped together with people from abroad, making for their status as permanent outsiders. Thus, if the American Self represents an ideal, the inhabitants of this oppositional world of Arabs and Islam (an Anti-world) represent an Anti-self. A source of fear and object of hate and prejudice, this Anti-self is the object of derision and anything connected with it (e.g. language, customs, religion, etc.) becomes suspect and is devalued by association. This document has two objectives: First, to present an historical account of this context, and, secondly, to shed light on how and why things that are associated with Arab Americans in Dearborn are devalued. This is achieved by addressing the developments of meanings (of actions and symbols) in their American context, and how they have shaped (and still shape) the local culture's depiction of and understanding of Arab (and Muslim) Americans. Therefore, Arab American issues of language, culture and societal interactions should be understood as constituting a stream of American life, which represent a dimension of the total American experience, past and present, that is best understood through the paradigm of American studies. Viewing this experience as a cultural whole rather than as a series of unrelated fragments (e.g. immigration waves and settlement patterns, religious and state affiliations, assimilation and preservation debates), Arab American culture and issues begin to shine through as an organic and holistic experience whose characteristics are shared with other groups, suggesting research on this community is equally generalisable to others. ii As an academic work, this document promotes an understanding of the Arab American experience from an interdisciplinary point of view through focusing on the phenomenon of language in the community with emphasis placed on the AFL experience at school. Therefore, it is a broadly-framed outlook that permits, in an introductory way, a view of the richness of the Arab American experience, particularly in Dearborn, Michigan, as part of the American experience. Data were collected using two surveys, one for AFL students at a high school, and another was administered to adults in the community—in Dearborn. In addition, an action-research-based effort, individual personal interviews and focus groups were conducted with stakeholders in the community: parents/community members, teachers/school personnel and students, utilising personal involvement in understanding and analysing the data. Also, the study referred to archival and documentary evidence available in the school system. Four hypotheses regarding importance/significance and utility of Arabic were offered and tested by means of qualitative, interpretive analysis. Findings included: (1) Arab Americans valued Arabic as an emblem of their community in Dearborn, suggesting its employment as an indicator of political empowerment. (2) Conversely, in the non-Arab community Arabic was observed as a mark of the Other, and an artefact of ethnic retrenchment and rejection of assimilation. (3) Interestingly, however, development of English language competence emerged as a major concern in the community, outweighing Arabic language preservation. (4) While, language maintenance efforts in the community were observed as minimal, especially at the organisational level, and support for such programmes was marginal to nil. (5) Additionally, Arabic, while not the object of a desire to master as a medium of communication, was observed to signify a special symbol of heritage for Arab American youth in the Dearborn community, who may have rejected their parents’ ideas about learning Arabic, but had developed their own. (6) What is more, Arab American youth were observed developing a viable hybridised identity, whose mainstay is being “Arabic”, despite the dominance of English and Euro-Anglo cultural norms. (7) At the institutional level, Arabic was observed devalued in the school setting due to its association with Arabs, Islam, Arab Americans, and immigration. (8) Moreover, relations between Arab Americans and non-Arab Americans in the school system seems to have been equally impacted by this process of devaluation, furthering the cause of stigmatisation, prejudice and racism.
- Full Text:
- Date Issued: 2004
A comparative study of employment discrimination in South Africa and Canada
- Authors: Dlamini, David Vusi
- Date: 2004
- Subjects: Discrimination in employment -- Law and Legislation -- South Africa , Discrimination in employment -- Law and legislation -- Canada
- Language: English
- Type: Thesis , Masters , LLM
- Identifier: vital:11039 , http://hdl.handle.net/10948/330 , Discrimination in employment -- Law and Legislation -- South Africa , Discrimination in employment -- Law and legislation -- Canada
- Description: South Africa and Canada have emerged from a history fraught of inequalities, which were characterised by segregationist practices. Such inequalities have served as an epitome of discrimination taking place in the society and the workplace in both countries. Both South Africa and Canada had their discrimination affecting black peoples (Africans, Indians and Coloureds) and Aboriginal peoples (Indians, Inuits or Métis) respectively, women and people with disabilities. In both countries discrimination has polarised society. It is against this backdrop that both countries have attempted to eliminate unfair discrimination through the promulgation of relevant legislation that seeks to, inter alia, provide the regulatory framework in respect of employment discrimination. With the foregoing in mind, the purpose of this work is the provision of a selection of comparable aspects of employment discrimination in Canada and South Africa. This selection comprises discrimination on the basis of race, gender, sex, pregnancy, age and HIV/AIDS. The study uses, as its departure point, both countries’ constitutional framework to elicit the extent to which protection against unfair discrimination is extended to the workforce. Apart from looking at the constitutional provisions towards the elimination of unfair discrimination, reference is made to specific employment statutory provisions in order to provide a comprehensive and explicit picture of how workplace discrimination in both countries is regulated. The study focuses on substantive law from both countries about the above -mentioned aspects of discrimination. This is informed by the very nature and scope of the study because any concentration on procedural and evidentiary aspects of discrimination could lead to failure to achieve the objectives of the study. It also looks at specific Canadian and South African case law, judgments of the courts and jurisprudence in the field of employment discrimination in order that the reader is presented with a clearer picture of recent developments in addressing workplace inequalities.
- Full Text:
- Date Issued: 2004
- Authors: Dlamini, David Vusi
- Date: 2004
- Subjects: Discrimination in employment -- Law and Legislation -- South Africa , Discrimination in employment -- Law and legislation -- Canada
- Language: English
- Type: Thesis , Masters , LLM
- Identifier: vital:11039 , http://hdl.handle.net/10948/330 , Discrimination in employment -- Law and Legislation -- South Africa , Discrimination in employment -- Law and legislation -- Canada
- Description: South Africa and Canada have emerged from a history fraught of inequalities, which were characterised by segregationist practices. Such inequalities have served as an epitome of discrimination taking place in the society and the workplace in both countries. Both South Africa and Canada had their discrimination affecting black peoples (Africans, Indians and Coloureds) and Aboriginal peoples (Indians, Inuits or Métis) respectively, women and people with disabilities. In both countries discrimination has polarised society. It is against this backdrop that both countries have attempted to eliminate unfair discrimination through the promulgation of relevant legislation that seeks to, inter alia, provide the regulatory framework in respect of employment discrimination. With the foregoing in mind, the purpose of this work is the provision of a selection of comparable aspects of employment discrimination in Canada and South Africa. This selection comprises discrimination on the basis of race, gender, sex, pregnancy, age and HIV/AIDS. The study uses, as its departure point, both countries’ constitutional framework to elicit the extent to which protection against unfair discrimination is extended to the workforce. Apart from looking at the constitutional provisions towards the elimination of unfair discrimination, reference is made to specific employment statutory provisions in order to provide a comprehensive and explicit picture of how workplace discrimination in both countries is regulated. The study focuses on substantive law from both countries about the above -mentioned aspects of discrimination. This is informed by the very nature and scope of the study because any concentration on procedural and evidentiary aspects of discrimination could lead to failure to achieve the objectives of the study. It also looks at specific Canadian and South African case law, judgments of the courts and jurisprudence in the field of employment discrimination in order that the reader is presented with a clearer picture of recent developments in addressing workplace inequalities.
- Full Text:
- Date Issued: 2004
A comparison of programming notations for a tertiary level introductory programming course
- Authors: Cilliers, Charmain Barbara
- Date: 2004
- Subjects: Computer programming -- Study and teaching (Higher) -- South Africa , Computer programmers -- South Africa
- Language: English
- Type: Thesis , Doctoral , PhD
- Identifier: vital:11093 , http://hdl.handle.net/10948/d1019679
- Description: Increasing pressure from national government to improve throughput at South African tertiary education institutions presents challenges to educators of introductory programming courses. In response, educators must adopt effective methods and strategies that encourage novice programmers to be successful in such courses. An approach that seeks to increase and maintain satisfactory throughput is the modification of the teaching model in these courses by adjusting presentation techniques. This thesis investigates the effect of integrating an experimental iconic programming notation and associated development environment with existing conventional textual technological support in the teaching model of a tertiary level introductory programming course. The investigation compares the performance achievement of novice programmers using only conventional textual technological support with that of novice programmers using the integrated iconic and conventional textual technological support. In preparation for the investigation, interpretation of existing knowledge on the behaviour of novice programmers while learning to program results in a novel framework of eight novice programmer requirements for technological support in an introductory programming course. This framework is applied in the examination of existing categories of technological support as well as in the design of new technological support for novice programmers learning to program. It thus provides information for the selection of existing and the design of new introductory programming technological support. The findings of the investigation suggest strong evidence that performance achievement of novice programmers in a tertiary level introductory programming course improves significantly with the inclusion of iconic technological support in the teaching model. The benefits are particularly evident in the portion of the novice programmer population who have been identified as being at risk of being successful in the course. Novice programmers identified as being at risk perform substantially better when using iconic technological support concurrently with conventional textual technological support than their equals who use only the latter form. Considerably more at risk novice programmers using the integrated form of technological support are in fact successful in the introductory programming course when compared with their counterparts who use conventional textual technological support only. The contributions of this thesis address deficiencies existing in current documented research. These contributions are primarily apparent in a number of distinct areas, namely: • formalisation of a novel framework of novice programmer requirements for technological support in an introductory programming course; • application of the framework as a formal evaluation technique; • application of the framework in the design of a visual iconic programming notation and development environment; • enhancement of existing empirical evidence and experimental research methodology typically applied to studies in programming; as well as • a proposal for a modified introductory programming course teaching model. The thesis has effectively applied substantial existing research on the cognitive model of the novice programmer as well as that on experimental technological support. The increase of throughput to a recommended rate of 75 percent in the tertiary level introductory programming course at the University of Port Elizabeth is attributed solely to the incorporation of iconic technological support in the teaching model of the course.
- Full Text:
- Date Issued: 2004
- Authors: Cilliers, Charmain Barbara
- Date: 2004
- Subjects: Computer programming -- Study and teaching (Higher) -- South Africa , Computer programmers -- South Africa
- Language: English
- Type: Thesis , Doctoral , PhD
- Identifier: vital:11093 , http://hdl.handle.net/10948/d1019679
- Description: Increasing pressure from national government to improve throughput at South African tertiary education institutions presents challenges to educators of introductory programming courses. In response, educators must adopt effective methods and strategies that encourage novice programmers to be successful in such courses. An approach that seeks to increase and maintain satisfactory throughput is the modification of the teaching model in these courses by adjusting presentation techniques. This thesis investigates the effect of integrating an experimental iconic programming notation and associated development environment with existing conventional textual technological support in the teaching model of a tertiary level introductory programming course. The investigation compares the performance achievement of novice programmers using only conventional textual technological support with that of novice programmers using the integrated iconic and conventional textual technological support. In preparation for the investigation, interpretation of existing knowledge on the behaviour of novice programmers while learning to program results in a novel framework of eight novice programmer requirements for technological support in an introductory programming course. This framework is applied in the examination of existing categories of technological support as well as in the design of new technological support for novice programmers learning to program. It thus provides information for the selection of existing and the design of new introductory programming technological support. The findings of the investigation suggest strong evidence that performance achievement of novice programmers in a tertiary level introductory programming course improves significantly with the inclusion of iconic technological support in the teaching model. The benefits are particularly evident in the portion of the novice programmer population who have been identified as being at risk of being successful in the course. Novice programmers identified as being at risk perform substantially better when using iconic technological support concurrently with conventional textual technological support than their equals who use only the latter form. Considerably more at risk novice programmers using the integrated form of technological support are in fact successful in the introductory programming course when compared with their counterparts who use conventional textual technological support only. The contributions of this thesis address deficiencies existing in current documented research. These contributions are primarily apparent in a number of distinct areas, namely: • formalisation of a novel framework of novice programmer requirements for technological support in an introductory programming course; • application of the framework as a formal evaluation technique; • application of the framework in the design of a visual iconic programming notation and development environment; • enhancement of existing empirical evidence and experimental research methodology typically applied to studies in programming; as well as • a proposal for a modified introductory programming course teaching model. The thesis has effectively applied substantial existing research on the cognitive model of the novice programmer as well as that on experimental technological support. The increase of throughput to a recommended rate of 75 percent in the tertiary level introductory programming course at the University of Port Elizabeth is attributed solely to the incorporation of iconic technological support in the teaching model of the course.
- Full Text:
- Date Issued: 2004
A critical analysis of the influence of the "Prevention of the illegal eviction from and unlawful occupation of Land Act 19 of 1998" on investment in residential income-producing property
- Authors: Botha, Brink
- Date: 2004
- Subjects: Rental housing -- Law and legislation -- South Africa , Eviction -- Law and legislation -- South Africa , Occupancy (Law) -- South Africa , Real estate investment -- Law and legislation -- South Africa
- Language: English
- Type: Thesis , Masters , MSc
- Identifier: vital:11005 , http://hdl.handle.net/10948/321 , Rental housing -- Law and legislation -- South Africa , Eviction -- Law and legislation -- South Africa , Occupancy (Law) -- South Africa , Real estate investment -- Law and legislation -- South Africa
- Description: This research will focus on the influence of legislation (as indicated in this research) on the investment decision in residential income-producing property. Assumptions, as recorded in the hypothesis of this study, indicate that the legislation had a changing influence on the investment decision in residential income-producing property in comparison to the time period prior to the promulgation of the legislation. The research methodology will be based on a comparative analysis of the current legislation and the proposed Draft Amendment Bill. This analysis will be tested by means of a case study analysis incorporating a phenomenological study based on written data. The problems, sub-problems and hypothesis will be addressed and tested in this research in conjunction with the prescribed research methodology. This research is concluded by means of a synopsis and recommendations.
- Full Text:
- Date Issued: 2004
- Authors: Botha, Brink
- Date: 2004
- Subjects: Rental housing -- Law and legislation -- South Africa , Eviction -- Law and legislation -- South Africa , Occupancy (Law) -- South Africa , Real estate investment -- Law and legislation -- South Africa
- Language: English
- Type: Thesis , Masters , MSc
- Identifier: vital:11005 , http://hdl.handle.net/10948/321 , Rental housing -- Law and legislation -- South Africa , Eviction -- Law and legislation -- South Africa , Occupancy (Law) -- South Africa , Real estate investment -- Law and legislation -- South Africa
- Description: This research will focus on the influence of legislation (as indicated in this research) on the investment decision in residential income-producing property. Assumptions, as recorded in the hypothesis of this study, indicate that the legislation had a changing influence on the investment decision in residential income-producing property in comparison to the time period prior to the promulgation of the legislation. The research methodology will be based on a comparative analysis of the current legislation and the proposed Draft Amendment Bill. This analysis will be tested by means of a case study analysis incorporating a phenomenological study based on written data. The problems, sub-problems and hypothesis will be addressed and tested in this research in conjunction with the prescribed research methodology. This research is concluded by means of a synopsis and recommendations.
- Full Text:
- Date Issued: 2004
A revision of a section of the hearing and speech scale of the Griffiths Scales of Mental Development
- Authors: Kotras, Nicole
- Date: 2004
- Subjects: Griffiths scales of mental development , Psychological tests for children
- Language: English
- Type: Thesis , Masters , MA
- Identifier: vital:11022 , http://hdl.handle.net/10948/350 , Griffiths scales of mental development , Psychological tests for children
- Description: Since the introduction of the Griffiths Scales of Mental Development (Griffiths Scales) in the United Kingdom (1950) and South Africa (1977) they have become widely used and researched, both at a national and international level. Studies completed in South Africa have demonstrated the invaluable role the Griffiths Scales have fulfilled in the assessment of South African children of all cultural and socio-economic groups. However, research has indicated a need for the revision of the scales specifically relating to social and cultural factors that influence performance. The aim of this study was two-fold , namely: (i) to revise the 20 small pictures and the large picture of the Hearing and Speech Scale of the Griffiths Scales, making them more culturally relevant for the children of our contemporary world, and especially in South Africa; and (ii) to describe the performance of South African children, between 60 and 83 months of age, utilizing the revised pictures. For the qualitative component of the study a questionnaire pertaining to the small and large “Experimental pictures” was completed by the participants. The participants consisted of the executive committee members of the ARICD in the United Kingdom. Additionally 17 “expert “ Griffith's users and “lay-experts” working in early childhood development throughout South Africa, were included. Their responses were content analyzed and incorporated into the Experimental pictures. This resulted in the development of the Revised Griffiths pictures. The quantitative component of the study utilized two sample pools. Sample 1 (n=204) and Sample 2 (n=180) were comprised of pre-school children aged between 60 and 83 months. Sample 1 was utilized for the 20 small revised pictures and the large revised SA picture, while sample 2 was utilized for the 20 small revised pictures and the large revised United Kingdom/ European/Australian picture. Furthermore, both samples, consisted of children from all cultural, socio-economic, language, and gender groups. x The major findings of the present study were as follows: 1. Referring to sample 1, only the White and Indian pre-schoolers correctly identified a mean number of small pictures above that which was proposed by Griffiths (1960). The Coloured pre-schoolers almost identified Griffiths (1960) proposed number. 2. Referring to sample 2, all excepting the Black pre-schoolers correctly identified Griffiths’ (1960) proposed mean of small pictures. 3. All children from sample 1 and sample 2 were able to identify more stimuli from the large revised pictures, than was proposed by Griffiths (1960). 4. All four cultural groups from samples 1 and 2, elicited a mean number of descriptive words below Griffiths’ (1960) proposed criteria. 5. White pre-schoolers from sample 1 elicited a mean number of descriptive sentences above Griffiths’ (1960) proposed criteria. 6. White and Coloured pre-schoolers from sample 2 elicited a mean number of descriptive sentences above Griffiths’ (1960) proposed criteria. 7. All four cultural groups from sample 1 and sample 2, elicited a mean number of personal or possessive pronouns below Griffith's (1960) proposed criteria. 8. A general trend noted for the four cultural groups of both samples, was that the percentage of children who passed successive age-appropriate items, did not decrease stepwise as would be expected from the placement of items in order of difficulty. In view of the latter finding, it is recommended that for South African children the placement of the items for the small and large pictures of the Hearing and Speech Scale should be revised in terms of their order of difficulty. It is furthermore recommended that separate norms for South African children be established for the Hearing and Speech Scale
- Full Text:
- Authors: Kotras, Nicole
- Date: 2004
- Subjects: Griffiths scales of mental development , Psychological tests for children
- Language: English
- Type: Thesis , Masters , MA
- Identifier: vital:11022 , http://hdl.handle.net/10948/350 , Griffiths scales of mental development , Psychological tests for children
- Description: Since the introduction of the Griffiths Scales of Mental Development (Griffiths Scales) in the United Kingdom (1950) and South Africa (1977) they have become widely used and researched, both at a national and international level. Studies completed in South Africa have demonstrated the invaluable role the Griffiths Scales have fulfilled in the assessment of South African children of all cultural and socio-economic groups. However, research has indicated a need for the revision of the scales specifically relating to social and cultural factors that influence performance. The aim of this study was two-fold , namely: (i) to revise the 20 small pictures and the large picture of the Hearing and Speech Scale of the Griffiths Scales, making them more culturally relevant for the children of our contemporary world, and especially in South Africa; and (ii) to describe the performance of South African children, between 60 and 83 months of age, utilizing the revised pictures. For the qualitative component of the study a questionnaire pertaining to the small and large “Experimental pictures” was completed by the participants. The participants consisted of the executive committee members of the ARICD in the United Kingdom. Additionally 17 “expert “ Griffith's users and “lay-experts” working in early childhood development throughout South Africa, were included. Their responses were content analyzed and incorporated into the Experimental pictures. This resulted in the development of the Revised Griffiths pictures. The quantitative component of the study utilized two sample pools. Sample 1 (n=204) and Sample 2 (n=180) were comprised of pre-school children aged between 60 and 83 months. Sample 1 was utilized for the 20 small revised pictures and the large revised SA picture, while sample 2 was utilized for the 20 small revised pictures and the large revised United Kingdom/ European/Australian picture. Furthermore, both samples, consisted of children from all cultural, socio-economic, language, and gender groups. x The major findings of the present study were as follows: 1. Referring to sample 1, only the White and Indian pre-schoolers correctly identified a mean number of small pictures above that which was proposed by Griffiths (1960). The Coloured pre-schoolers almost identified Griffiths (1960) proposed number. 2. Referring to sample 2, all excepting the Black pre-schoolers correctly identified Griffiths’ (1960) proposed mean of small pictures. 3. All children from sample 1 and sample 2 were able to identify more stimuli from the large revised pictures, than was proposed by Griffiths (1960). 4. All four cultural groups from samples 1 and 2, elicited a mean number of descriptive words below Griffiths’ (1960) proposed criteria. 5. White pre-schoolers from sample 1 elicited a mean number of descriptive sentences above Griffiths’ (1960) proposed criteria. 6. White and Coloured pre-schoolers from sample 2 elicited a mean number of descriptive sentences above Griffiths’ (1960) proposed criteria. 7. All four cultural groups from sample 1 and sample 2, elicited a mean number of personal or possessive pronouns below Griffith's (1960) proposed criteria. 8. A general trend noted for the four cultural groups of both samples, was that the percentage of children who passed successive age-appropriate items, did not decrease stepwise as would be expected from the placement of items in order of difficulty. In view of the latter finding, it is recommended that for South African children the placement of the items for the small and large pictures of the Hearing and Speech Scale should be revised in terms of their order of difficulty. It is furthermore recommended that separate norms for South African children be established for the Hearing and Speech Scale
- Full Text:
Affirmative action in terms of the Empolyment Equity Act
- Authors: Mgcodo, Yolanda Thandile
- Date: 2004
- Subjects: Affirmative action programs -- Law and legislation -- South Africa , Discrimination in employment -- Law and legislation -- South Africa , South Africa. Employment Equity Act -- 1998
- Language: English
- Type: Thesis , Masters , LLM
- Identifier: vital:11048 , http://hdl.handle.net/10948/356 , Affirmative action programs -- Law and legislation -- South Africa , Discrimination in employment -- Law and legislation -- South Africa , South Africa. Employment Equity Act -- 1998
- Description: The term affirmative action originated in the United States some 30 years ago to describe a process of liberating minority groups. The objective of affirmative action within an organisational context, is to democratise the workplace by enabling members of previously disadvantaged groups to progress higher up the ranks of the corporate world. The affirmative action drive only took off in South Africa when it became part of the democratisation process and the focus was directed towards liberating the historically disadvantaged black majority. Prior to 1994, the reasons for implementing affirmative action programmes were largely political because of the race-based discrimination. Historically disadvantaged people were a minority in senior positions, the reason being that although the blacks were given a chance to compete with their white counterparts, due to their poor education standards and lack of experience only a few was appointed. The Employment Equity Act 55 of 1998 aims to correct the demographic imbalances in the nation’s workforce by compelling employers to remove barriers to advancement of blacks, coloureds, Indians, women and disabled, and actively to advance them in all categories of employment by affirmative action. The Employment Equity Act consists of two main sections. The first replaces and refines the prohibition on unfair discrimination in item 2(1)(a) of Schedule 7 of the Labour Relations Act. The second aspect deals with imposing a duty to the employers to adopt affirmative action programmes. The Employment Equity Act places a positive obligation on all employers “to promote equal opportunity in the workplace by eliminating unfair discrimination in any employment policy or practice”. Where unfair discrimination is alleged, the onus of proving that discrimination is fair, or practice is not discriminatory at all, rests upon the employer. Disputes about unfair discrimination must be referred to the CCMA, and if not settled by conciliation, to the Labour Court, which has the power to order compensation or the payment iv of damages, or to direct the employer to take steps to prevent the same unfair discrimination or similar practice occurring in the future in respect of other employees. The second section of the Employment Equity Act deals with the imposition of the duty to designated employers to adopt affirmative action programmes. All employers with more than 50 employees, or which have annual turnovers equal to or above the annual turnovers for small businesses of their class, municipalities, organs of state, and those designated as such by collective agreement, must implement affirmative action measures for people from designated groups. This entails consulting with employers, conducting an analysis of employment policies, practices, procedures and the working environment to identify barriers, drawing up employment equity plans and reporting thereafter to the Director-General of the Department of Labour on progress made in implementing the plan. Any employee may bring alleged contraventions of the Act to the attention of the employer, another employee, or any trade union, workplace forum, labour inspector or the Director- General of the Employment Equity Commission. Labour inspectors appointed under the Basic Conditions of Employment Act may enter and inspect employer’s properties and documents, and are responsible for ensuring that the employer has consulted with employees as required, conducted the pre-equity plan analysis prepared its plan and is implementing it, submitted and published its reports, set up the necessary managerial infrastructure, and informed its employees of progress. Should employers be found not to have complied with these requirements, labour inspectors must request a written undertaking that they will do so. If an employer fails to give such an undertaking, the labour inspector can issue a compliance order setting out inter alia what steps the employer must take and when, and the maximum fine, if any, that can be imposed if the employer fails to comply. If the employer does not pay attention to the compliance order within the prescribed period, the Director-General may apply to have it made an order of the Labour Court. The Director-General may also conduct independent ad hoc reviews of selected designated employers. Failure by an employer to comply with the provision of the Act lead to the employer being liable for the contravention of the Act.
- Full Text:
- Date Issued: 2004
- Authors: Mgcodo, Yolanda Thandile
- Date: 2004
- Subjects: Affirmative action programs -- Law and legislation -- South Africa , Discrimination in employment -- Law and legislation -- South Africa , South Africa. Employment Equity Act -- 1998
- Language: English
- Type: Thesis , Masters , LLM
- Identifier: vital:11048 , http://hdl.handle.net/10948/356 , Affirmative action programs -- Law and legislation -- South Africa , Discrimination in employment -- Law and legislation -- South Africa , South Africa. Employment Equity Act -- 1998
- Description: The term affirmative action originated in the United States some 30 years ago to describe a process of liberating minority groups. The objective of affirmative action within an organisational context, is to democratise the workplace by enabling members of previously disadvantaged groups to progress higher up the ranks of the corporate world. The affirmative action drive only took off in South Africa when it became part of the democratisation process and the focus was directed towards liberating the historically disadvantaged black majority. Prior to 1994, the reasons for implementing affirmative action programmes were largely political because of the race-based discrimination. Historically disadvantaged people were a minority in senior positions, the reason being that although the blacks were given a chance to compete with their white counterparts, due to their poor education standards and lack of experience only a few was appointed. The Employment Equity Act 55 of 1998 aims to correct the demographic imbalances in the nation’s workforce by compelling employers to remove barriers to advancement of blacks, coloureds, Indians, women and disabled, and actively to advance them in all categories of employment by affirmative action. The Employment Equity Act consists of two main sections. The first replaces and refines the prohibition on unfair discrimination in item 2(1)(a) of Schedule 7 of the Labour Relations Act. The second aspect deals with imposing a duty to the employers to adopt affirmative action programmes. The Employment Equity Act places a positive obligation on all employers “to promote equal opportunity in the workplace by eliminating unfair discrimination in any employment policy or practice”. Where unfair discrimination is alleged, the onus of proving that discrimination is fair, or practice is not discriminatory at all, rests upon the employer. Disputes about unfair discrimination must be referred to the CCMA, and if not settled by conciliation, to the Labour Court, which has the power to order compensation or the payment iv of damages, or to direct the employer to take steps to prevent the same unfair discrimination or similar practice occurring in the future in respect of other employees. The second section of the Employment Equity Act deals with the imposition of the duty to designated employers to adopt affirmative action programmes. All employers with more than 50 employees, or which have annual turnovers equal to or above the annual turnovers for small businesses of their class, municipalities, organs of state, and those designated as such by collective agreement, must implement affirmative action measures for people from designated groups. This entails consulting with employers, conducting an analysis of employment policies, practices, procedures and the working environment to identify barriers, drawing up employment equity plans and reporting thereafter to the Director-General of the Department of Labour on progress made in implementing the plan. Any employee may bring alleged contraventions of the Act to the attention of the employer, another employee, or any trade union, workplace forum, labour inspector or the Director- General of the Employment Equity Commission. Labour inspectors appointed under the Basic Conditions of Employment Act may enter and inspect employer’s properties and documents, and are responsible for ensuring that the employer has consulted with employees as required, conducted the pre-equity plan analysis prepared its plan and is implementing it, submitted and published its reports, set up the necessary managerial infrastructure, and informed its employees of progress. Should employers be found not to have complied with these requirements, labour inspectors must request a written undertaking that they will do so. If an employer fails to give such an undertaking, the labour inspector can issue a compliance order setting out inter alia what steps the employer must take and when, and the maximum fine, if any, that can be imposed if the employer fails to comply. If the employer does not pay attention to the compliance order within the prescribed period, the Director-General may apply to have it made an order of the Labour Court. The Director-General may also conduct independent ad hoc reviews of selected designated employers. Failure by an employer to comply with the provision of the Act lead to the employer being liable for the contravention of the Act.
- Full Text:
- Date Issued: 2004
Algorithms for the solution of the quadratic programming problem
- Authors: Vankova, Martina
- Date: 2004
- Subjects: Quadratic programming , Nonlinear programming , Algorithms
- Language: English
- Type: Thesis , Masters , MSc
- Identifier: vital:11086 , http://hdl.handle.net/10948/348 , Quadratic programming , Nonlinear programming , Algorithms
- Description: The purpose of this dissertation was to provide a review of the theory of Optimization, in particular quadratic programming, and the algorithms suitable for solving both convex and non-convex quadratic programming problems. Optimization problems arise in a wide variety of fields and many can be effectively modeled with linear equations. However, there are problems for which linear models are not sufficient thus creating a need for non-linear systems. This dissertation includes a literature study of the formal theory necessary for understanding optimization and an investigation of the algorithms available for solving a special class of the non-linear programming problem, namely the quadratic programming problem. It was not the intention of this dissertation to discuss all possible algorithms for solving the quadratic programming problem, therefore certain algorithms for convex and non-convex quadratic programming problems were selected for a detailed discussion in the dissertation. Some of the algorithms were selected arbitrarily, because limited information was available comparing the efficiency of the various algorithms. Algorithms available for solving general non-linear programming problems were also included and briefly discussed as they can be used to solve quadratic programming problems. A number of algorithms were then selected for evaluation, depending on the frequency of use in practice and the availability of software implementing these algorithms. The evaluation included a theoretical and quantitative comparison of the algorithms. The quantitative results were analyzed and discussed and it was shown that the results supported the theoretical comparison. It was also shown that it is difficult to conclude that one algorithm is better than another as the efficiency of an algorithm greatly depends on the size of the problem, the complexity of an algorithm and many other implementation issues. Optimization problems arise continuously in a wide range of fields and thus create the need for effective methods of solving them. This dissertation provides the fundamental theory necessary for the understanding of optimization problems, with particular reference to quadratic programming problems and the algorithms that solve such problems. Keywords: Quadratic Programming, Quadratic Programming Algorithms, Optimization, Non-linear Programming, Convex, Non-convex.
- Full Text:
- Date Issued: 2004
- Authors: Vankova, Martina
- Date: 2004
- Subjects: Quadratic programming , Nonlinear programming , Algorithms
- Language: English
- Type: Thesis , Masters , MSc
- Identifier: vital:11086 , http://hdl.handle.net/10948/348 , Quadratic programming , Nonlinear programming , Algorithms
- Description: The purpose of this dissertation was to provide a review of the theory of Optimization, in particular quadratic programming, and the algorithms suitable for solving both convex and non-convex quadratic programming problems. Optimization problems arise in a wide variety of fields and many can be effectively modeled with linear equations. However, there are problems for which linear models are not sufficient thus creating a need for non-linear systems. This dissertation includes a literature study of the formal theory necessary for understanding optimization and an investigation of the algorithms available for solving a special class of the non-linear programming problem, namely the quadratic programming problem. It was not the intention of this dissertation to discuss all possible algorithms for solving the quadratic programming problem, therefore certain algorithms for convex and non-convex quadratic programming problems were selected for a detailed discussion in the dissertation. Some of the algorithms were selected arbitrarily, because limited information was available comparing the efficiency of the various algorithms. Algorithms available for solving general non-linear programming problems were also included and briefly discussed as they can be used to solve quadratic programming problems. A number of algorithms were then selected for evaluation, depending on the frequency of use in practice and the availability of software implementing these algorithms. The evaluation included a theoretical and quantitative comparison of the algorithms. The quantitative results were analyzed and discussed and it was shown that the results supported the theoretical comparison. It was also shown that it is difficult to conclude that one algorithm is better than another as the efficiency of an algorithm greatly depends on the size of the problem, the complexity of an algorithm and many other implementation issues. Optimization problems arise continuously in a wide range of fields and thus create the need for effective methods of solving them. This dissertation provides the fundamental theory necessary for the understanding of optimization problems, with particular reference to quadratic programming problems and the algorithms that solve such problems. Keywords: Quadratic Programming, Quadratic Programming Algorithms, Optimization, Non-linear Programming, Convex, Non-convex.
- Full Text:
- Date Issued: 2004
An analysis of group adverse impact in selection strategies of a communications company
- Authors: Bradfield, Claire Caroline
- Date: 2004
- Subjects: Telecommunication -- Employees -- Selection and appointment -- South Africa , Employee selection -- South Africa , Discrimination in employment -- South Africa
- Language: English
- Type: Thesis , Masters , MA
- Identifier: vital:10993 , http://hdl.handle.net/10948/361 , Telecommunication -- Employees -- Selection and appointment -- South Africa , Employee selection -- South Africa , Discrimination in employment -- South Africa
- Description: An overview of the literature indicates that there is a real and pressing need to explore the concept of adverse impact in more detail. The Employment Equity Act of 1998 prioritises the issue of group representivity in staff selection and although there are merits in enforcing an Affirmative Action policy, an objective assessment of the inherent requirements of job applicants is still a constitutional and procedural outcome. There is no simple mechanism that can be used to determine the manifestation of adverse impact. However, evidence thereof can be most useful in securing fairness in selection and employment decisions. There is a distinct need to examine the matter of adverse impact and its implications in the South African context. South Africa is confronted with a labour force that is growing dramatically and changing significantly. The demographic trends in our dynamically changing labour markets are likely to amplify skill and ability differences between the resulting contradictory goals of equal opportunity based on individual merit and equal employment results for subgroups of populations. Three selection strategies of a communications company were used as a basis for the assessment of adverse impact. The total population of the Call Centre selection strategy was 150. Seven instruments and measures were utilised in the study, namely, a job analysis, pre-screening exercise, psychometric ability tests, role-play simulation, structured interview, job compatibility questionnaire and a performance evaluation. The total population of the Operator Services selection strategy was 139. Five psychometric instruments were utilised in the study. The total population of the Female Leadership Development Programme selection strategy was 471. Three psychometric instruments were utilised in the study. The Adverse Impact Model was applied to each of the aforementioned strategies. In terms of the definition, adverse impact exists if the selection ratio associated with a particular passing score on a test for one sub-group of job applicants is less than 4/5th’s or 80% of the selection ration for the largest sub-group of applicants. 13 The results of the study indicate that adverse impact occurred in the following instances. In the Call Centre selection strategy, there was evidence of adverse impact in the racial analysis in the ability testing stage. There was also evidence of adverse impact in the gender analysis during this stage. There was no evidence of adverse impact in either the racial or gender analyses during the interview stage. There was no evidence of adverse impact in the racial analysis during the appointment stage. There was however evidence of adverse impact in the gender analysis during the appointment stage. The Female Leadership Development Programme selection strategy revealed evidence of adverse impact in the racial analysis during the appointment stage. The Operator Services selection strategy revealed an adverse impact in both the racial and gender analyses during the testing stage. The issue of adverse impact is obviously controversial. However, data obtained from this process will provide for informative analysis.
- Full Text:
- Date Issued: 2004
- Authors: Bradfield, Claire Caroline
- Date: 2004
- Subjects: Telecommunication -- Employees -- Selection and appointment -- South Africa , Employee selection -- South Africa , Discrimination in employment -- South Africa
- Language: English
- Type: Thesis , Masters , MA
- Identifier: vital:10993 , http://hdl.handle.net/10948/361 , Telecommunication -- Employees -- Selection and appointment -- South Africa , Employee selection -- South Africa , Discrimination in employment -- South Africa
- Description: An overview of the literature indicates that there is a real and pressing need to explore the concept of adverse impact in more detail. The Employment Equity Act of 1998 prioritises the issue of group representivity in staff selection and although there are merits in enforcing an Affirmative Action policy, an objective assessment of the inherent requirements of job applicants is still a constitutional and procedural outcome. There is no simple mechanism that can be used to determine the manifestation of adverse impact. However, evidence thereof can be most useful in securing fairness in selection and employment decisions. There is a distinct need to examine the matter of adverse impact and its implications in the South African context. South Africa is confronted with a labour force that is growing dramatically and changing significantly. The demographic trends in our dynamically changing labour markets are likely to amplify skill and ability differences between the resulting contradictory goals of equal opportunity based on individual merit and equal employment results for subgroups of populations. Three selection strategies of a communications company were used as a basis for the assessment of adverse impact. The total population of the Call Centre selection strategy was 150. Seven instruments and measures were utilised in the study, namely, a job analysis, pre-screening exercise, psychometric ability tests, role-play simulation, structured interview, job compatibility questionnaire and a performance evaluation. The total population of the Operator Services selection strategy was 139. Five psychometric instruments were utilised in the study. The total population of the Female Leadership Development Programme selection strategy was 471. Three psychometric instruments were utilised in the study. The Adverse Impact Model was applied to each of the aforementioned strategies. In terms of the definition, adverse impact exists if the selection ratio associated with a particular passing score on a test for one sub-group of job applicants is less than 4/5th’s or 80% of the selection ration for the largest sub-group of applicants. 13 The results of the study indicate that adverse impact occurred in the following instances. In the Call Centre selection strategy, there was evidence of adverse impact in the racial analysis in the ability testing stage. There was also evidence of adverse impact in the gender analysis during this stage. There was no evidence of adverse impact in either the racial or gender analyses during the interview stage. There was no evidence of adverse impact in the racial analysis during the appointment stage. There was however evidence of adverse impact in the gender analysis during the appointment stage. The Female Leadership Development Programme selection strategy revealed evidence of adverse impact in the racial analysis during the appointment stage. The Operator Services selection strategy revealed an adverse impact in both the racial and gender analyses during the testing stage. The issue of adverse impact is obviously controversial. However, data obtained from this process will provide for informative analysis.
- Full Text:
- Date Issued: 2004
An evaluation of paired comparison models
- Venter, Daniel Jacobus Lodewyk
- Authors: Venter, Daniel Jacobus Lodewyk
- Date: 2004
- Subjects: Paired comparisons (Statistics) , Mathematical statistics
- Language: English
- Type: Thesis , Masters , MSc
- Identifier: vital:11087 , http://hdl.handle.net/10948/364 , Paired comparisons (Statistics) , Mathematical statistics
- Description: Introduction: A typical task in quantitative data analysis is to derive estimates of population parameters based on sample statistics. For manifest variables this is usually a straightforward process utilising suitable measurement instruments and standard statistics such the mean, median and standard deviation. Latent variables on the other hand are typically more elusive, making it difficult to obtain valid and reliable measurements. One of the most widely used methods of estimating the parameter value of a latent variable is to use a summated score derived from a set of individual scores for each of the various attributes of the latent variable. A serious limitation of this method and other similar methods is that the validity and reliability of measurements depend on whether the statements included in the questionnaire cover all characteristics of the variable being measured and also on respondents’ ability to correctly indicate their perceived assessment of the characteristics on the scale provided. Methods without this limitation and that are especially useful where a set of objects/entities must be ranked based on the parameter values of one or more latent variables, are methods of paired comparisons. Although the underlying assumptions and algorithms of these methods often differ dramatically, they all rely on data derived from a series of comparisons, each consisting of a pair of specimens selected from the set of objects/entities being investigated. Typical examples of the comparison process are: subjects (judges) who have to indicate for each pair of objects which of the two they prefer; sport teams that compete against each other in matches that involve two teams at a time. The resultant data of each comparison range from a simple dichotomy to indicate which of the two objects are preferred/better, to an interval or ratio scale score for e d Bradley-Terry models, and were based on statistical theory assuming that the variable(s) being measured is either normally (Thurstone-Mosteller) or exponentially (Bradley-Terry) distributed. For many years researchers had to rely on these PCM’s when analysing paired comparison data without any idea about the implications if the distribution of the data from which their sample were obtained differed from the assumed distribution for the applicable PCM being utilised. To address this problem, PCM’s were subsequently developed to cater for discrete variables and variables with distributions that are neither normal or exponential. A question that remained unanswered is how the performance, as measured by the accuracy of parameter estimates, of PCM's are affected if they are applied to data from a range of discrete and continuous distribution that violates the assumptions on which the applicable paired comparison algorithm is based. This study is an attempt to answer this question by applying the most popular PCM's to a range of randomly derived data sets that spans typical continuous and discrete data distributions. It is hoped that the results of this study will assist researchers when selecting the most appropriate PCM to obtain accurate estimates of the parameters of the variables in their data sets.
- Full Text:
- Date Issued: 2004
- Authors: Venter, Daniel Jacobus Lodewyk
- Date: 2004
- Subjects: Paired comparisons (Statistics) , Mathematical statistics
- Language: English
- Type: Thesis , Masters , MSc
- Identifier: vital:11087 , http://hdl.handle.net/10948/364 , Paired comparisons (Statistics) , Mathematical statistics
- Description: Introduction: A typical task in quantitative data analysis is to derive estimates of population parameters based on sample statistics. For manifest variables this is usually a straightforward process utilising suitable measurement instruments and standard statistics such the mean, median and standard deviation. Latent variables on the other hand are typically more elusive, making it difficult to obtain valid and reliable measurements. One of the most widely used methods of estimating the parameter value of a latent variable is to use a summated score derived from a set of individual scores for each of the various attributes of the latent variable. A serious limitation of this method and other similar methods is that the validity and reliability of measurements depend on whether the statements included in the questionnaire cover all characteristics of the variable being measured and also on respondents’ ability to correctly indicate their perceived assessment of the characteristics on the scale provided. Methods without this limitation and that are especially useful where a set of objects/entities must be ranked based on the parameter values of one or more latent variables, are methods of paired comparisons. Although the underlying assumptions and algorithms of these methods often differ dramatically, they all rely on data derived from a series of comparisons, each consisting of a pair of specimens selected from the set of objects/entities being investigated. Typical examples of the comparison process are: subjects (judges) who have to indicate for each pair of objects which of the two they prefer; sport teams that compete against each other in matches that involve two teams at a time. The resultant data of each comparison range from a simple dichotomy to indicate which of the two objects are preferred/better, to an interval or ratio scale score for e d Bradley-Terry models, and were based on statistical theory assuming that the variable(s) being measured is either normally (Thurstone-Mosteller) or exponentially (Bradley-Terry) distributed. For many years researchers had to rely on these PCM’s when analysing paired comparison data without any idea about the implications if the distribution of the data from which their sample were obtained differed from the assumed distribution for the applicable PCM being utilised. To address this problem, PCM’s were subsequently developed to cater for discrete variables and variables with distributions that are neither normal or exponential. A question that remained unanswered is how the performance, as measured by the accuracy of parameter estimates, of PCM's are affected if they are applied to data from a range of discrete and continuous distribution that violates the assumptions on which the applicable paired comparison algorithm is based. This study is an attempt to answer this question by applying the most popular PCM's to a range of randomly derived data sets that spans typical continuous and discrete data distributions. It is hoped that the results of this study will assist researchers when selecting the most appropriate PCM to obtain accurate estimates of the parameters of the variables in their data sets.
- Full Text:
- Date Issued: 2004
An investigation into the attitudes of teachers in Port Elizabeth to the inplementation of computer assisted learning
- Authors: Harvey, Paul David
- Date: 2004
- Subjects: Computer-assisted instruction -- South Africa -- Port Elizabeth , Teachers -- South Africa -- Port Elizabeth -- Attitudes
- Language: English
- Type: Thesis , Masters , MA
- Identifier: vital:10996 , http://hdl.handle.net/10948/384 , Computer-assisted instruction -- South Africa -- Port Elizabeth , Teachers -- South Africa -- Port Elizabeth -- Attitudes
- Description: In general, insufficient research has been done to validate the usefulness and relevance of computers in educational settings (Hitchcock, 2000; Robinson et al., 2003; Baillie et al., 2000; Housego et al., 2000; Valdez et al., 2004). Schools therefore tend to adopt educational technologies before determining whether and how the technology will be used to its full capacity, or what the human and educational impact would be on learners and teachers (Hobson et al., 1998; McCabe et al., 2003; Hugo, 2002). In South Africa the eEducation policy, scripted by the Department of Education (DOE), has been created as an implementation and integration plan for educational technologies in South African schools, where all South African learners at schools are to be functionally computer literate by the year 2013 (DOE, 2003c). However, a limited amount of research has been performed investigating the educational relevance or optimal method for Computer Assisted Learning (CAL) implementation in South African schools. The purpose of the undertaken research study is to create an understanding of teachers’ attitudes toward CAL implementation and integration, as well as to provide insight into the optimal CAL implementation and integration methods in South African schools. The research problem under study therefore is: What are teachers’ attitudes toward the implementation and integration of CAL systems in South African schools? The research study is performed within the quantitative research paradigm and can be described as both exploratory and descriptive in orientation. In the context of this research the population under study is Grade 10 Mathematics teachers that teach in the city of Port Elizabeth. Out of a total of 153 teachers who form part of the study population, 78 successfully completed survey instruments, returning a high yield of 51% of the total study population. The analysis of the total teacher sample group provides the most statistically robust analysis breakdown of the study, and therefore can be reported with a high level of confidence. However, as the study is exploratory in nature, the analysis of various subject breakdowns have been included and iii reported in the study to provide anecdotal insight across diverse variable groups. Subject breakdowns include gender, demographic groups, and age groups, levels of qualifications and level of computer use experience. The findings indicate that teachers in general feel very positive about the use of computers in schools, specifically for teaching purposes, and believe the use of computers in education is inevitable but provides value in the educational context. Though teachers demonstrate high levels of access to computers and fairly capable computer abilities, they demonstrate low levels of awareness of available computer facilities, as well as low levels of computer use. The findings therefore indicate a need for greater integration of CAL systems into the curricula and greater training opportunities. However, teachers show that they have a preference for traditional teaching methods to CAL instructional methods, demonstrating a specific preference for traditional chalk and whiteboard media. The findings suggest that teachers do not value computers for their instructional purposes, but rather for their practical educational related activities. The findings also suggest that the use of computers to teach is not a priority of education related computer use. Teachers indicate that a variety of both traditional and modern media is best suited to various educational activities. With regard to CAL instruction, teachers demonstrate a preference for a teaching scenario where teachers use computers to prepare and teach lessons, but learners only perform exercises on computers under teacher supervision. Teachers demonstrate greater aversion to teaching situations where learners learn independently off computers. Teachers therefore indicate that Drill and Practice and Testing software are the most suitable for general CAL implementation and use, in support of previous studies in South Africa. Finally, from a developmental perspective in the context of South Africa, teachers overwhelmingly indicate that the widespread implementation of CAL systems should not occur before all schools have their basic needs of water, sanitation, electricity and human resources fulfilled.
- Full Text:
- Date Issued: 2004
- Authors: Harvey, Paul David
- Date: 2004
- Subjects: Computer-assisted instruction -- South Africa -- Port Elizabeth , Teachers -- South Africa -- Port Elizabeth -- Attitudes
- Language: English
- Type: Thesis , Masters , MA
- Identifier: vital:10996 , http://hdl.handle.net/10948/384 , Computer-assisted instruction -- South Africa -- Port Elizabeth , Teachers -- South Africa -- Port Elizabeth -- Attitudes
- Description: In general, insufficient research has been done to validate the usefulness and relevance of computers in educational settings (Hitchcock, 2000; Robinson et al., 2003; Baillie et al., 2000; Housego et al., 2000; Valdez et al., 2004). Schools therefore tend to adopt educational technologies before determining whether and how the technology will be used to its full capacity, or what the human and educational impact would be on learners and teachers (Hobson et al., 1998; McCabe et al., 2003; Hugo, 2002). In South Africa the eEducation policy, scripted by the Department of Education (DOE), has been created as an implementation and integration plan for educational technologies in South African schools, where all South African learners at schools are to be functionally computer literate by the year 2013 (DOE, 2003c). However, a limited amount of research has been performed investigating the educational relevance or optimal method for Computer Assisted Learning (CAL) implementation in South African schools. The purpose of the undertaken research study is to create an understanding of teachers’ attitudes toward CAL implementation and integration, as well as to provide insight into the optimal CAL implementation and integration methods in South African schools. The research problem under study therefore is: What are teachers’ attitudes toward the implementation and integration of CAL systems in South African schools? The research study is performed within the quantitative research paradigm and can be described as both exploratory and descriptive in orientation. In the context of this research the population under study is Grade 10 Mathematics teachers that teach in the city of Port Elizabeth. Out of a total of 153 teachers who form part of the study population, 78 successfully completed survey instruments, returning a high yield of 51% of the total study population. The analysis of the total teacher sample group provides the most statistically robust analysis breakdown of the study, and therefore can be reported with a high level of confidence. However, as the study is exploratory in nature, the analysis of various subject breakdowns have been included and iii reported in the study to provide anecdotal insight across diverse variable groups. Subject breakdowns include gender, demographic groups, and age groups, levels of qualifications and level of computer use experience. The findings indicate that teachers in general feel very positive about the use of computers in schools, specifically for teaching purposes, and believe the use of computers in education is inevitable but provides value in the educational context. Though teachers demonstrate high levels of access to computers and fairly capable computer abilities, they demonstrate low levels of awareness of available computer facilities, as well as low levels of computer use. The findings therefore indicate a need for greater integration of CAL systems into the curricula and greater training opportunities. However, teachers show that they have a preference for traditional teaching methods to CAL instructional methods, demonstrating a specific preference for traditional chalk and whiteboard media. The findings suggest that teachers do not value computers for their instructional purposes, but rather for their practical educational related activities. The findings also suggest that the use of computers to teach is not a priority of education related computer use. Teachers indicate that a variety of both traditional and modern media is best suited to various educational activities. With regard to CAL instruction, teachers demonstrate a preference for a teaching scenario where teachers use computers to prepare and teach lessons, but learners only perform exercises on computers under teacher supervision. Teachers demonstrate greater aversion to teaching situations where learners learn independently off computers. Teachers therefore indicate that Drill and Practice and Testing software are the most suitable for general CAL implementation and use, in support of previous studies in South Africa. Finally, from a developmental perspective in the context of South Africa, teachers overwhelmingly indicate that the widespread implementation of CAL systems should not occur before all schools have their basic needs of water, sanitation, electricity and human resources fulfilled.
- Full Text:
- Date Issued: 2004
An investigation into the coverage of diverse forms of tourism in South African travel magazines
- Authors: Kotzé, Louis Jacobus Daniël
- Date: 2004
- Subjects: Tourism -- South Africa , South Africa -- Description and travel Periodicals -- Research
- Language: English
- Type: Thesis , Masters , MA
- Identifier: vital:10992 , http://hdl.handle.net/10948/339 , Tourism -- South Africa , South Africa -- Description and travel Periodicals -- Research
- Description: There have been several changes in tourism in South Africa since 1994. During apartheid, black people were not allowed to become involved in important aspects of tourism, particularly at management level. However, this situation is changing and all cultures are gradually becoming engaged in th e tourism industry. The economic progress of the black community has resulted in the materialization of cultural villages, tourism projects to give rural people jobs, and an increase in township tourist attractions, heritage tours, etc. These initiatives have led to the establishment of certain types of tourism such as cultural tourism, urban tourism and community-based tourism. It could be said without hesitation, at the prescientific level, that the diversity in cultures, for one, is a major attraction of this country. Another change has been the increase in tourism from countries which have been excluded from South Africa in the past. Examples of these are African countries such as Kenya and Nigeria, as well as countries on other continents, including India, Bangladesh and the East-European bloc. Up to 2003/4, South Africa experienced the longest uninterrupted period of economic growth in its history. This resulted in people being able to afford a higher standard of living and therefore having more money to spend on travelling. as the economic growth stimulated the growth of tourism, both local and foreign, in the country. Seen from the perspective of the tourism industry, it is important to keep the public informed and up to date about what a country has to offer in order to maintain the increase in tourism. The media assist in this process. The travelling public is informed by word of mouth, but also through newspapers, magazines, television and radio. Information about the different attractions, whether cultures, wildlife or sport, et cetera, would not always be easy to find, were it not for the media. As tourism grows, more tourist attractions will develop, with a bigger need for tourists to be informed as an immediate result. The role of the media in this information giving is th erefore constantly on the increase.
- Full Text:
- Date Issued: 2004
- Authors: Kotzé, Louis Jacobus Daniël
- Date: 2004
- Subjects: Tourism -- South Africa , South Africa -- Description and travel Periodicals -- Research
- Language: English
- Type: Thesis , Masters , MA
- Identifier: vital:10992 , http://hdl.handle.net/10948/339 , Tourism -- South Africa , South Africa -- Description and travel Periodicals -- Research
- Description: There have been several changes in tourism in South Africa since 1994. During apartheid, black people were not allowed to become involved in important aspects of tourism, particularly at management level. However, this situation is changing and all cultures are gradually becoming engaged in th e tourism industry. The economic progress of the black community has resulted in the materialization of cultural villages, tourism projects to give rural people jobs, and an increase in township tourist attractions, heritage tours, etc. These initiatives have led to the establishment of certain types of tourism such as cultural tourism, urban tourism and community-based tourism. It could be said without hesitation, at the prescientific level, that the diversity in cultures, for one, is a major attraction of this country. Another change has been the increase in tourism from countries which have been excluded from South Africa in the past. Examples of these are African countries such as Kenya and Nigeria, as well as countries on other continents, including India, Bangladesh and the East-European bloc. Up to 2003/4, South Africa experienced the longest uninterrupted period of economic growth in its history. This resulted in people being able to afford a higher standard of living and therefore having more money to spend on travelling. as the economic growth stimulated the growth of tourism, both local and foreign, in the country. Seen from the perspective of the tourism industry, it is important to keep the public informed and up to date about what a country has to offer in order to maintain the increase in tourism. The media assist in this process. The travelling public is informed by word of mouth, but also through newspapers, magazines, television and radio. Information about the different attractions, whether cultures, wildlife or sport, et cetera, would not always be easy to find, were it not for the media. As tourism grows, more tourist attractions will develop, with a bigger need for tourists to be informed as an immediate result. The role of the media in this information giving is th erefore constantly on the increase.
- Full Text:
- Date Issued: 2004
Burial practices, African women, and Islam in the Eastern Cape province, South Africa
- Authors: Sesanti, Simphiwe Olicius
- Date: 2004
- Subjects: Islamic funeral rites and ceremonies -- South Africa -- Eastern Cape , Muslim women -- South Africa -- Eastern Cape , Mourning custom -- South Africa -- Eastern Cape
- Language: English
- Type: Thesis , Masters , MA
- Identifier: vital:10998 , http://hdl.handle.net/10948/346 , Islamic funeral rites and ceremonies -- South Africa -- Eastern Cape , Muslim women -- South Africa -- Eastern Cape , Mourning custom -- South Africa -- Eastern Cape
- Description: Early in 2003, African Muslims in Uitenhage’s township, Kwa-Nobuhle, learnt that Muslim women, led by Sheikh Nceba Salamntu, in South Africa’s Port Elizabeth New Brighton township, were allowed, contrary to previous practice, to follow a funeral procession right up to the graveyard. The resultant discomfort on the one hand, and excitement on the other caused by this event among Muslims in the township, forms the basis of this research. It gives focus to Muslim women, the ones most affected by their customary restriction from the gravesites. The researchi exposes the basis for women’s exclusion from funeral processions in the Muslim community. It was established that many of these Muslim women who challenged the practice were converts from Christianity to Islam. One of the bases for their action was that they were passive recipients of Islam. Furthermore, it was found that the exclusion of women from the funeral procession has no basis in Islamic writings.
- Full Text:
- Date Issued: 2004
- Authors: Sesanti, Simphiwe Olicius
- Date: 2004
- Subjects: Islamic funeral rites and ceremonies -- South Africa -- Eastern Cape , Muslim women -- South Africa -- Eastern Cape , Mourning custom -- South Africa -- Eastern Cape
- Language: English
- Type: Thesis , Masters , MA
- Identifier: vital:10998 , http://hdl.handle.net/10948/346 , Islamic funeral rites and ceremonies -- South Africa -- Eastern Cape , Muslim women -- South Africa -- Eastern Cape , Mourning custom -- South Africa -- Eastern Cape
- Description: Early in 2003, African Muslims in Uitenhage’s township, Kwa-Nobuhle, learnt that Muslim women, led by Sheikh Nceba Salamntu, in South Africa’s Port Elizabeth New Brighton township, were allowed, contrary to previous practice, to follow a funeral procession right up to the graveyard. The resultant discomfort on the one hand, and excitement on the other caused by this event among Muslims in the township, forms the basis of this research. It gives focus to Muslim women, the ones most affected by their customary restriction from the gravesites. The researchi exposes the basis for women’s exclusion from funeral processions in the Muslim community. It was established that many of these Muslim women who challenged the practice were converts from Christianity to Islam. One of the bases for their action was that they were passive recipients of Islam. Furthermore, it was found that the exclusion of women from the funeral procession has no basis in Islamic writings.
- Full Text:
- Date Issued: 2004