An investigation into the effects of socio-economic and education factors on WAIS-III performance in a stratified South African sample
- Authors: Kemp, Ryan
- Date: 2000
- Subjects: Wechsler Adult Intelligence Scale -- South Africa , Intelligence tests -- South Africa
- Language: English
- Type: Thesis , Masters , MA
- Identifier: vital:3002 , http://hdl.handle.net/10962/d1002511 , Wechsler Adult Intelligence Scale -- South Africa , Intelligence tests -- South Africa
- Description: The present study examined the effects of socio-economic status, quality and level of education on performance on the Wechsler Adult Intelligence Scale 3rd Edition r.:w AIS-III). The study was conducted within the context of the present Human Sciences Research Council (HSRC) W AIS-III standardisation process, cross-cultural psychometric research and the notion of test-wiseness. A South African sample (N = 68) comprising African first language (n = 40) and English first language (n = 28) participants, stratified for age (19 - 30 years), gender and educational attainment (Matric and Graduate) were utilised. Effects due to quality of education were determined by dividing the African language participants into those with private/model C schooling (n = 20) and those with DET schooling (n = 20). Effects due to level of education were determined by dividing the entire sample into those with Matric level education (n = 34) and those with Graduate level education (n = 34). Detailed demographic and socio-economic information were recorded for all participants, who completed the entire American version of the W AIS-III. Results revealed a highly significant positive correlation between high socio-economic status and W AIS-III Full Scale IQ. In addition the respective impact of the relatively poor quality of education and lower level of educational attainment on W AIS-III performance was substantial. These results were discussed in terms of their implications for cross-cultural research, the HSRC standardisation of the W AIS-III and the practical use of the W AIS-III in neuropsychological assessment.
- Full Text:
- Date Issued: 2000
- Authors: Kemp, Ryan
- Date: 2000
- Subjects: Wechsler Adult Intelligence Scale -- South Africa , Intelligence tests -- South Africa
- Language: English
- Type: Thesis , Masters , MA
- Identifier: vital:3002 , http://hdl.handle.net/10962/d1002511 , Wechsler Adult Intelligence Scale -- South Africa , Intelligence tests -- South Africa
- Description: The present study examined the effects of socio-economic status, quality and level of education on performance on the Wechsler Adult Intelligence Scale 3rd Edition r.:w AIS-III). The study was conducted within the context of the present Human Sciences Research Council (HSRC) W AIS-III standardisation process, cross-cultural psychometric research and the notion of test-wiseness. A South African sample (N = 68) comprising African first language (n = 40) and English first language (n = 28) participants, stratified for age (19 - 30 years), gender and educational attainment (Matric and Graduate) were utilised. Effects due to quality of education were determined by dividing the African language participants into those with private/model C schooling (n = 20) and those with DET schooling (n = 20). Effects due to level of education were determined by dividing the entire sample into those with Matric level education (n = 34) and those with Graduate level education (n = 34). Detailed demographic and socio-economic information were recorded for all participants, who completed the entire American version of the W AIS-III. Results revealed a highly significant positive correlation between high socio-economic status and W AIS-III Full Scale IQ. In addition the respective impact of the relatively poor quality of education and lower level of educational attainment on W AIS-III performance was substantial. These results were discussed in terms of their implications for cross-cultural research, the HSRC standardisation of the W AIS-III and the practical use of the W AIS-III in neuropsychological assessment.
- Full Text:
- Date Issued: 2000
Deriving norms for learners in the disadvantaged schools of the peri-urban areas of the Eastern Cape: the case of the Vassiliou Mathematics Proficiency Test (VASSI)
- Masango, Siphesihle Polkadot
- Authors: Masango, Siphesihle Polkadot
- Date: 2017
- Subjects: VASSI Mathematics Proficiency Test , Mathematical ability -- Testing -- South Africa , Educational tests and measurements -- South Africa , Children with social disabilities -- Education -- South Africa , Children with social disabilities -- Education -- South Africa -- Makhanda -- Case studies
- Language: English
- Type: Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10962/49929 , vital:25943
- Description: This study builds on South African cross-cultural research which highlights the need for careful stratification of normative samples for quality of education and geographical location. The aim of the present study was to produce an expanded set of preliminary norms for learners in the disadvantaged schools of the peri-urban areas of the Eastern Cape, Grahamstown, on the Vassiliou Mathematics Foundation Phase Test (VASSI) and Vassiliou Mathematics Proficiency Test (VASSI), respectively. The test was administered to Grade 1-6 learners in four different schools all within Joza location, Grahamstown. For the learners’ convenience the tests were translated into isiXhosa, the translations were provided together with the original English questions. Archival data collected by honours students was also incorporated in this study. The total number of participants was N=724 which was comprised of 147 grade 1s, 123 grade 2s, 117 grade 3s, 128 grade 4s, 113 grade 5s and 96 grade 6s. Norm-referenced criterion was used in analysing the data. The results of this study are in accordance with those purporting the low performance of disadvantaged learners on the school subject, mathematics. Stanines for the various grades (Grade 1 to 6) were calculated and are presented in the study. This study has demonstrated that although gender, language and other ethnic variables have an impact on mathematics performance, quality of education and socioeconomic status have a significant effect. Further research is needed on the effect of quality of education and socioeconomic status on learners in disadvantaged schools on this test in particular.
- Full Text:
- Date Issued: 2017
- Authors: Masango, Siphesihle Polkadot
- Date: 2017
- Subjects: VASSI Mathematics Proficiency Test , Mathematical ability -- Testing -- South Africa , Educational tests and measurements -- South Africa , Children with social disabilities -- Education -- South Africa , Children with social disabilities -- Education -- South Africa -- Makhanda -- Case studies
- Language: English
- Type: Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10962/49929 , vital:25943
- Description: This study builds on South African cross-cultural research which highlights the need for careful stratification of normative samples for quality of education and geographical location. The aim of the present study was to produce an expanded set of preliminary norms for learners in the disadvantaged schools of the peri-urban areas of the Eastern Cape, Grahamstown, on the Vassiliou Mathematics Foundation Phase Test (VASSI) and Vassiliou Mathematics Proficiency Test (VASSI), respectively. The test was administered to Grade 1-6 learners in four different schools all within Joza location, Grahamstown. For the learners’ convenience the tests were translated into isiXhosa, the translations were provided together with the original English questions. Archival data collected by honours students was also incorporated in this study. The total number of participants was N=724 which was comprised of 147 grade 1s, 123 grade 2s, 117 grade 3s, 128 grade 4s, 113 grade 5s and 96 grade 6s. Norm-referenced criterion was used in analysing the data. The results of this study are in accordance with those purporting the low performance of disadvantaged learners on the school subject, mathematics. Stanines for the various grades (Grade 1 to 6) were calculated and are presented in the study. This study has demonstrated that although gender, language and other ethnic variables have an impact on mathematics performance, quality of education and socioeconomic status have a significant effect. Further research is needed on the effect of quality of education and socioeconomic status on learners in disadvantaged schools on this test in particular.
- Full Text:
- Date Issued: 2017
Field and laboratory measurements of polarization mode dispersion in optical fibres
- Authors: Viljoen, Lawrence
- Date: 2005
- Subjects: Optical fibers
- Language: English
- Type: Thesis , Masters , MA
- Identifier: vital:10513 , http://hdl.handle.net/10948/375 , Optical fibers
- Description: In this dissertation, the PMD measurements of field and laboratory optical fibre will be discussed. In the laboratory, temperature cycling of different configurations of fibre were tested. It is shown that the environmental temperature plays a significant role in determining the behaviour of PMD. The PMD of all fibres tested showed changes in the PMD when the environmental temperature was changing, but remained constant for constant temperatures. This is explained by the structure and thermal coefficients of the materials used to make up the fibres. It is found that the temperature gradient has a large effect on the magnitude of the PMD fluctuations. Field measurements were conducted on buried and aerial cable. It is shown that the PMD of aerial cables shows a higher degree of scatter than the PMD of buried cables. The scatter seen in the PMD can be attributed to changing environmental temperature as well as movement of the cable. The PMD of the deployed fibre is in all cases found to be considerably higher than the PMD of laboratory fibre. Age of the fibre, deployment conditions and installation procedures are believed to be responsible for the higher value. Long term monitoring of the PMD is also found to be critical when testing fibres. Over- or underestimations of the average PMD are often made in the field due to only a limited number of readings being taken. Having a large test ensemble of input states of polarization is shown to increase the accuracy of the results. For aerial cables, movement of the cable has the same effect as scrambling the input SOP and hence the results will be more accurate. Buried cables on the other hand show little movement and hence only one input SOP is often tested. Scrambling the input SOP will therefore increase the accuracy of these results.
- Full Text:
- Date Issued: 2005
- Authors: Viljoen, Lawrence
- Date: 2005
- Subjects: Optical fibers
- Language: English
- Type: Thesis , Masters , MA
- Identifier: vital:10513 , http://hdl.handle.net/10948/375 , Optical fibers
- Description: In this dissertation, the PMD measurements of field and laboratory optical fibre will be discussed. In the laboratory, temperature cycling of different configurations of fibre were tested. It is shown that the environmental temperature plays a significant role in determining the behaviour of PMD. The PMD of all fibres tested showed changes in the PMD when the environmental temperature was changing, but remained constant for constant temperatures. This is explained by the structure and thermal coefficients of the materials used to make up the fibres. It is found that the temperature gradient has a large effect on the magnitude of the PMD fluctuations. Field measurements were conducted on buried and aerial cable. It is shown that the PMD of aerial cables shows a higher degree of scatter than the PMD of buried cables. The scatter seen in the PMD can be attributed to changing environmental temperature as well as movement of the cable. The PMD of the deployed fibre is in all cases found to be considerably higher than the PMD of laboratory fibre. Age of the fibre, deployment conditions and installation procedures are believed to be responsible for the higher value. Long term monitoring of the PMD is also found to be critical when testing fibres. Over- or underestimations of the average PMD are often made in the field due to only a limited number of readings being taken. Having a large test ensemble of input states of polarization is shown to increase the accuracy of the results. For aerial cables, movement of the cable has the same effect as scrambling the input SOP and hence the results will be more accurate. Buried cables on the other hand show little movement and hence only one input SOP is often tested. Scrambling the input SOP will therefore increase the accuracy of these results.
- Full Text:
- Date Issued: 2005
Normative self-perceptions of journalists in Nigeria : the case of the Guardian newspaper
- Authors: Tiri, Judith
- Date: 2014
- Subjects: Guardian (Nigeria) , Nigeria -- In mass media , Nigeria -- Politics and government -- In mass media , Newspapers -- Nigeria , Journalism -- Political aspects -- Nigeria , Journalists -- Nigeria -- Psychology
- Language: English
- Type: Thesis , Masters , MA
- Identifier: vital:3523
- Description: The study aims at interrogating the self - perceptions of journalists in Nigeria. The study is an attempt to answer some questions as: what contributions have journalists made to the democratization of Nigeria from 1960 to date? What role(s) did the media play during and after the transition to democracy? To what extent have the activities of politicians and the business class affected t he media’s social responsibility? What are the self-perceptions of journalists working in Nigeria’s The Guardian newspaper? The studies on normative theories of the press, Journalism Culture, and the perceived influences on journalism practice in a democra cy were adapted to answer the afore-listed questions. The works on how elite continuity and transitology models affect the perceptions of journalists in new democracies were also used to answer the questions posed. Since the field of research of the preced ing works is the West, the Nigerian experience points to issues that were not addressed in the prior studies because of the latter’s unique socio-political, historical, economic and ethno-religious structures . The data were collected and analyzed according to the QualitaQualitative paradigm, using in-depth semi-structured individual interviews with journalists working at The Guardian newspaper. The findings suggest that the journalists have made positive contributions to Nigeria’s democratization. The journalists that support this thesis claim that the self-perceptions of their role have changed from an adversarial position to a democratically-defined social responsibility role. This is because journalists ensure that government policies are implemented and the iss ues that affect the masses are reported. The findings show that in spite of the shift to democratization some challenges have remained, for example the journalists’ lives are not safe ; they collect bribes which are popularly called brown envelopes in Nigeria, write biased stories, and hold partisan relationships with the politicians and entrepreneurial elites and so on. The study acknowledges that democratization is in a continuum and that (the stakeholders or) civil society, journalists, the state and the entrepreneurial elites must contribute to deepen Nigeria’s democracy. The study suggests a self-perception theory that uses individual structures and institutions of a country to guide the stakeholders to play roles that will deepen democracy.
- Full Text:
- Date Issued: 2014
- Authors: Tiri, Judith
- Date: 2014
- Subjects: Guardian (Nigeria) , Nigeria -- In mass media , Nigeria -- Politics and government -- In mass media , Newspapers -- Nigeria , Journalism -- Political aspects -- Nigeria , Journalists -- Nigeria -- Psychology
- Language: English
- Type: Thesis , Masters , MA
- Identifier: vital:3523
- Description: The study aims at interrogating the self - perceptions of journalists in Nigeria. The study is an attempt to answer some questions as: what contributions have journalists made to the democratization of Nigeria from 1960 to date? What role(s) did the media play during and after the transition to democracy? To what extent have the activities of politicians and the business class affected t he media’s social responsibility? What are the self-perceptions of journalists working in Nigeria’s The Guardian newspaper? The studies on normative theories of the press, Journalism Culture, and the perceived influences on journalism practice in a democra cy were adapted to answer the afore-listed questions. The works on how elite continuity and transitology models affect the perceptions of journalists in new democracies were also used to answer the questions posed. Since the field of research of the preced ing works is the West, the Nigerian experience points to issues that were not addressed in the prior studies because of the latter’s unique socio-political, historical, economic and ethno-religious structures . The data were collected and analyzed according to the QualitaQualitative paradigm, using in-depth semi-structured individual interviews with journalists working at The Guardian newspaper. The findings suggest that the journalists have made positive contributions to Nigeria’s democratization. The journalists that support this thesis claim that the self-perceptions of their role have changed from an adversarial position to a democratically-defined social responsibility role. This is because journalists ensure that government policies are implemented and the iss ues that affect the masses are reported. The findings show that in spite of the shift to democratization some challenges have remained, for example the journalists’ lives are not safe ; they collect bribes which are popularly called brown envelopes in Nigeria, write biased stories, and hold partisan relationships with the politicians and entrepreneurial elites and so on. The study acknowledges that democratization is in a continuum and that (the stakeholders or) civil society, journalists, the state and the entrepreneurial elites must contribute to deepen Nigeria’s democracy. The study suggests a self-perception theory that uses individual structures and institutions of a country to guide the stakeholders to play roles that will deepen democracy.
- Full Text:
- Date Issued: 2014
Organisation development: a formative evaluation of an OD intervention
- Routledge, Michael Henry Collis
- Authors: Routledge, Michael Henry Collis
- Date: 1999
- Subjects: Organizational change , Organizational behavior , Action research , Psychology, Industrial
- Language: English
- Type: Thesis , Masters , MA
- Identifier: vital:3044 , http://hdl.handle.net/10962/d1002553 , Organizational change , Organizational behavior , Action research , Psychology, Industrial
- Description: Rapid changes and increased competitiveness in business environments, together with greater demands by employees for improvements in the quality of their work lives, make it necessary for organisations to review their operating styles and functions. Many companies have found an answer in Organisation Development (OD) which focuses on ways in which people associated with organisations learn to diagnose and solve those problems which limit organisational effectiveness. The present study evaluates the progress of an OD intervention underway in an organisation in Zimbabwe. A formative evaluation is undertaken during an OD intervention. It is designed to assess the change effort's progress in such a way that steps can subsequently be taken to correct, modify or enhance such aspects of the intervention as may be determined by the evaluation. The study begins with a review of the company's original and revised Mission Statements as well as the present and last two sets of corporate three-year plans. These documents inform the construction of an interview guide. Individual interviews are then used to ascertain attitudes of respondents to the OD intervention and the changes it is bringing about. In addition the interviews are used to gauge the degree of commitment of respondents to the intervention. All the senior managers in the organisation are interviewed as well as the holding company's chief executive and the external consultant facilitating the intervention. The study records fundamental changes taking place in the attitudes of top managers and the first signs of an impact of these attitude changes on the formulation of company plans. Management styles and the culture of the organisation also show some change and influence on routine business operations. In addition there are early indications of an alteration of behaviour at other levels in the organisation. Business outcomes are improving and it is proposed that the benefits are due to fortuitous market developments assisted to an extent by the culture and attitude changes brought about by the OD intervention.
- Full Text:
- Date Issued: 1999
- Authors: Routledge, Michael Henry Collis
- Date: 1999
- Subjects: Organizational change , Organizational behavior , Action research , Psychology, Industrial
- Language: English
- Type: Thesis , Masters , MA
- Identifier: vital:3044 , http://hdl.handle.net/10962/d1002553 , Organizational change , Organizational behavior , Action research , Psychology, Industrial
- Description: Rapid changes and increased competitiveness in business environments, together with greater demands by employees for improvements in the quality of their work lives, make it necessary for organisations to review their operating styles and functions. Many companies have found an answer in Organisation Development (OD) which focuses on ways in which people associated with organisations learn to diagnose and solve those problems which limit organisational effectiveness. The present study evaluates the progress of an OD intervention underway in an organisation in Zimbabwe. A formative evaluation is undertaken during an OD intervention. It is designed to assess the change effort's progress in such a way that steps can subsequently be taken to correct, modify or enhance such aspects of the intervention as may be determined by the evaluation. The study begins with a review of the company's original and revised Mission Statements as well as the present and last two sets of corporate three-year plans. These documents inform the construction of an interview guide. Individual interviews are then used to ascertain attitudes of respondents to the OD intervention and the changes it is bringing about. In addition the interviews are used to gauge the degree of commitment of respondents to the intervention. All the senior managers in the organisation are interviewed as well as the holding company's chief executive and the external consultant facilitating the intervention. The study records fundamental changes taking place in the attitudes of top managers and the first signs of an impact of these attitude changes on the formulation of company plans. Management styles and the culture of the organisation also show some change and influence on routine business operations. In addition there are early indications of an alteration of behaviour at other levels in the organisation. Business outcomes are improving and it is proposed that the benefits are due to fortuitous market developments assisted to an extent by the culture and attitude changes brought about by the OD intervention.
- Full Text:
- Date Issued: 1999
Shifting white SADF veteran identities from apartheid to contemporary South Africa
- Authors: Weich, Francois
- Date: 2019
- Subjects: South Africa -- History -- 1961-1994 , Angola -- History -- South African Incursions, 1978-1990 -- Veterans , South Africa -- History, Military -- 1961- , Veterans -- South Africa -- Personal narratives , South Africa -- Armed forces , South Africa -- Politics and government -- 1961-1978 , South Africa -- Politics and government -- 1978-1989 , South Africa. South African Defence Force
- Language: English
- Type: text , Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10962/76106 , vital:30504
- Description: The ideologies and structures of the apartheid state have received extensive academic attention, but the legacies of the militarisation of white South African men – a group that exists at a unique intersection of apartheid privilege and exploitation – have not been sufficiently addressed. Even as beneficiaries of apartheid, white men were militarised through structures of coercion and the mobilisation of identity constructions that resulted in the widespread submission to conscription and support for apartheid militarism. This thesis explores the relationship between those militarised identities and the historical processes of apartheid through a consideration of a broad range of white SADF veteran narratives from the Missing Voices Oral History Project archive. This consideration of the role of identity mobilisation in apartheid can shed light on the effect of historical processes of militarisation on white men in South Africa, as well as address the persistence of values and behaviours that may present barriers to the social transformation of South Africa towards a true constitutional democracy. The thesis explores identity in SADF veteran narratives through the application of social constructionism in order to determine the effect of coercive structures and identity mobilisation on individuals, and to gauge the persistence militarised identities after the social and political structures underpinning them had become defunct. The identity content of the narratives is contextualised in relation to structures of coercion employed by the apartheid state and the SADF alongside a consideration of the effect of political transition on veterans. The legacy of the historical environment and the impact of political transition on SADF veterans’ constructed identities is investigated in relation to these veterans’ own visions of their roles in post-apartheid South Africa. Therefore, this thesis endeavours to contribute to the expansion of the field of historical and identity study by considering the construction and renegotiation of military identities that maintained, benefited from, and were exploited by the apartheid state.
- Full Text:
- Date Issued: 2019
- Authors: Weich, Francois
- Date: 2019
- Subjects: South Africa -- History -- 1961-1994 , Angola -- History -- South African Incursions, 1978-1990 -- Veterans , South Africa -- History, Military -- 1961- , Veterans -- South Africa -- Personal narratives , South Africa -- Armed forces , South Africa -- Politics and government -- 1961-1978 , South Africa -- Politics and government -- 1978-1989 , South Africa. South African Defence Force
- Language: English
- Type: text , Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10962/76106 , vital:30504
- Description: The ideologies and structures of the apartheid state have received extensive academic attention, but the legacies of the militarisation of white South African men – a group that exists at a unique intersection of apartheid privilege and exploitation – have not been sufficiently addressed. Even as beneficiaries of apartheid, white men were militarised through structures of coercion and the mobilisation of identity constructions that resulted in the widespread submission to conscription and support for apartheid militarism. This thesis explores the relationship between those militarised identities and the historical processes of apartheid through a consideration of a broad range of white SADF veteran narratives from the Missing Voices Oral History Project archive. This consideration of the role of identity mobilisation in apartheid can shed light on the effect of historical processes of militarisation on white men in South Africa, as well as address the persistence of values and behaviours that may present barriers to the social transformation of South Africa towards a true constitutional democracy. The thesis explores identity in SADF veteran narratives through the application of social constructionism in order to determine the effect of coercive structures and identity mobilisation on individuals, and to gauge the persistence militarised identities after the social and political structures underpinning them had become defunct. The identity content of the narratives is contextualised in relation to structures of coercion employed by the apartheid state and the SADF alongside a consideration of the effect of political transition on veterans. The legacy of the historical environment and the impact of political transition on SADF veterans’ constructed identities is investigated in relation to these veterans’ own visions of their roles in post-apartheid South Africa. Therefore, this thesis endeavours to contribute to the expansion of the field of historical and identity study by considering the construction and renegotiation of military identities that maintained, benefited from, and were exploited by the apartheid state.
- Full Text:
- Date Issued: 2019
The changing face of Rhodes University: exploring aspects of visuality, sexuality and protest between the apartheid and postapartheid periods
- Authors: Stein, Jonathan Harry
- Date: 2018
- Subjects: Rhodes University , Apartheid South Africa , Post-apartheid era South Africa , College students Attitudes , Student movements South Africa , Decolonization South Africa , Aesthetics Political aspects South Africa , Sex Political aspects South Africa
- Language: English
- Type: text , Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10962/60530 , vital:27790
- Description: This thesis seeks to provide an historical overview of changing trends within specific spheres of the institutional and student culture of Rhodes University between the apartheid and post-apartheid periods. In particular, this thesis seeks to examine changes and developments within the visual and aesthetic culture of the university, and within the sphere of sexual norms and relations within the Rhodes student community. The historical dimensions of these two spheres of the university’s culture will be explored in light of the #RhodesMustFall protest of 2015 and the #RUReferenceList protest of 2016, which drew attention to a perceived lack of institutional transformation related to these two areas.
- Full Text:
- Date Issued: 2018
- Authors: Stein, Jonathan Harry
- Date: 2018
- Subjects: Rhodes University , Apartheid South Africa , Post-apartheid era South Africa , College students Attitudes , Student movements South Africa , Decolonization South Africa , Aesthetics Political aspects South Africa , Sex Political aspects South Africa
- Language: English
- Type: text , Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10962/60530 , vital:27790
- Description: This thesis seeks to provide an historical overview of changing trends within specific spheres of the institutional and student culture of Rhodes University between the apartheid and post-apartheid periods. In particular, this thesis seeks to examine changes and developments within the visual and aesthetic culture of the university, and within the sphere of sexual norms and relations within the Rhodes student community. The historical dimensions of these two spheres of the university’s culture will be explored in light of the #RhodesMustFall protest of 2015 and the #RUReferenceList protest of 2016, which drew attention to a perceived lack of institutional transformation related to these two areas.
- Full Text:
- Date Issued: 2018
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