A cross-sectional study to ascertain the prognostic factors and symptoms associated with cryptococcal meningitis cases treated at the East London Hospital complex
- Authors: Okorie, Ikechukwu Obinna
- Date: 2012
- Subjects: Meningitis -- South Africa -- Eastern Cape , Tuberculosis -- South Africa -- Eastern Cape , Public health -- South Africa -- Eastern Cape , Hospitals -- South Africa -- Eastern Cape
- Language: English
- Type: Thesis , Masters , MSc (Biostatistics and Epidemiology)
- Identifier: vital:11782 , http://hdl.handle.net/10353/d1016194 , Meningitis -- South Africa -- Eastern Cape , Tuberculosis -- South Africa -- Eastern Cape , Public health -- South Africa -- Eastern Cape , Hospitals -- South Africa -- Eastern Cape
- Description: The focus of this study is to identify the potential prognostic factors and symptoms that are associated with Cryptococcal Meningitis and to establish a statistical model for the prediction of outcomes (survival and mortality) among in-hospital patients. Materials and Method: The hospital admission books in the medical wards and pharmacy of the East London Hospital Complex were searched to identify the folder numbers of all the patients that were admitted, diagnosed and or treated for Cryptococcal Meningitis at the hospital between the 1st of January 2009 and the 31st of August 2012. 237 folders out of 519 folders reviewed had confirmed cases of Cryptococcal Meningitis. Data on patients’ demographics, In-hospital care, and Concurrent infection/health condition were collected and analysed in a cross-sectional study, using the univariable and multiple logistic regression. Analysis of data was done with SAS version 9.1.3 and NCSS version 2007 software. Results: In a multivariable logistic analysis of variables found to be significantly associated with Cryptococcal Meningitis in a univariable logistic regression, Being Conscious (i.e. a Glasgow Coma score of 15) (OR= 5.34,CI=2.85-9.99 p =<0.000); Having no history of TB infection (OR=28.91, CI= 3.68-226.89, p = <0.001); No Fits (OR = 2.59, CI= 1.18-5.68 p = 0.017); Being a non-smoker (OR =2.22,CI=1.13-4.34 p = 0.020); and Adhering to treatment instruction and guidelines (OR = 2.38, 1.15-4.89, p = 0.019) were the variables found to be significantly associated with the survival of a Cryptococcal Meningitis patient. The uninterrupted use of Amphotericin B (OR=3.04, CI=1.06-8.72, P=0.038) as a first line regimen was also found to be significantly associated with survival.On the other hand, being unconscious (i.e. Glasgow Coma score <15) (OR =5.34, CI=2.85-9.99, p = < 0.000), Currently having a TB infection (OR = 9.20, CI=2.77-30.57, p = < 0.000), Not adhering to treatment guidelines (OR=2.38, CI=1.15-4.89, p=0.019 ); Being a smoker (OR = 2.22, CI=1.13-4.34, p = 0.020) and having Fits (OR=2.59 CI=1.18-5.68 p=0.017 ) were found to be significantly associated with mortality. Headache (p= 0.505) was found not to be a significant predictor of survival contrary to the findings in many publications on Cryptococcal Meningitis. Owing to time constraint, testing data was not collected to validate the prognostic models. However, model diagnostics was done and the relevant statistics confirmed the goodness of fit and the predictive ability of the model Conclusion: It has been established in this study that certain baseline variables can be helpful in the prognosis of Cryptococcal Meningitis infection. It is therefore believed that these variables will help in improving the prognosis of the infection especially at the East London Hospital Complex. Though the statistical models will work well in predicting the outcome of Cryptococcal Meningitis infection for patients admitted at the East London Hospital Complex, adequate precaution must be exercised while attempting to apply it in other geographical areas.
- Full Text:
- Date Issued: 2012
- Authors: Okorie, Ikechukwu Obinna
- Date: 2012
- Subjects: Meningitis -- South Africa -- Eastern Cape , Tuberculosis -- South Africa -- Eastern Cape , Public health -- South Africa -- Eastern Cape , Hospitals -- South Africa -- Eastern Cape
- Language: English
- Type: Thesis , Masters , MSc (Biostatistics and Epidemiology)
- Identifier: vital:11782 , http://hdl.handle.net/10353/d1016194 , Meningitis -- South Africa -- Eastern Cape , Tuberculosis -- South Africa -- Eastern Cape , Public health -- South Africa -- Eastern Cape , Hospitals -- South Africa -- Eastern Cape
- Description: The focus of this study is to identify the potential prognostic factors and symptoms that are associated with Cryptococcal Meningitis and to establish a statistical model for the prediction of outcomes (survival and mortality) among in-hospital patients. Materials and Method: The hospital admission books in the medical wards and pharmacy of the East London Hospital Complex were searched to identify the folder numbers of all the patients that were admitted, diagnosed and or treated for Cryptococcal Meningitis at the hospital between the 1st of January 2009 and the 31st of August 2012. 237 folders out of 519 folders reviewed had confirmed cases of Cryptococcal Meningitis. Data on patients’ demographics, In-hospital care, and Concurrent infection/health condition were collected and analysed in a cross-sectional study, using the univariable and multiple logistic regression. Analysis of data was done with SAS version 9.1.3 and NCSS version 2007 software. Results: In a multivariable logistic analysis of variables found to be significantly associated with Cryptococcal Meningitis in a univariable logistic regression, Being Conscious (i.e. a Glasgow Coma score of 15) (OR= 5.34,CI=2.85-9.99 p =<0.000); Having no history of TB infection (OR=28.91, CI= 3.68-226.89, p = <0.001); No Fits (OR = 2.59, CI= 1.18-5.68 p = 0.017); Being a non-smoker (OR =2.22,CI=1.13-4.34 p = 0.020); and Adhering to treatment instruction and guidelines (OR = 2.38, 1.15-4.89, p = 0.019) were the variables found to be significantly associated with the survival of a Cryptococcal Meningitis patient. The uninterrupted use of Amphotericin B (OR=3.04, CI=1.06-8.72, P=0.038) as a first line regimen was also found to be significantly associated with survival.On the other hand, being unconscious (i.e. Glasgow Coma score <15) (OR =5.34, CI=2.85-9.99, p = < 0.000), Currently having a TB infection (OR = 9.20, CI=2.77-30.57, p = < 0.000), Not adhering to treatment guidelines (OR=2.38, CI=1.15-4.89, p=0.019 ); Being a smoker (OR = 2.22, CI=1.13-4.34, p = 0.020) and having Fits (OR=2.59 CI=1.18-5.68 p=0.017 ) were found to be significantly associated with mortality. Headache (p= 0.505) was found not to be a significant predictor of survival contrary to the findings in many publications on Cryptococcal Meningitis. Owing to time constraint, testing data was not collected to validate the prognostic models. However, model diagnostics was done and the relevant statistics confirmed the goodness of fit and the predictive ability of the model Conclusion: It has been established in this study that certain baseline variables can be helpful in the prognosis of Cryptococcal Meningitis infection. It is therefore believed that these variables will help in improving the prognosis of the infection especially at the East London Hospital Complex. Though the statistical models will work well in predicting the outcome of Cryptococcal Meningitis infection for patients admitted at the East London Hospital Complex, adequate precaution must be exercised while attempting to apply it in other geographical areas.
- Full Text:
- Date Issued: 2012
A critical study of voice teaching method, with specific reference to solo singing, choral singing and vocal health for the teenage singer
- Authors: Olivier, Madelie Charlotte
- Date: 2012
- Subjects: Singing -- Instruction and study , Voice culture -- Exercises , Singing -- Methods
- Language: English
- Type: Thesis , Masters , MMus
- Identifier: vital:8523 , http://hdl.handle.net/10948/d1019926
- Description: This dissertation presents a critical study of voice teaching method as this pertains to the high school learner studying voice within the South African educational environment, with learning outcomes determined for subject music within the GET (General Education and Training) and FET (Further Education and Training) bands of the Department of Basic Education at each school grade level, as well as by external examining bodies such as Unisa (University of South Africa), Trinity Guildhall and ABRSM (Amalgamated Board of the Royal Schools of Music). Emphasis is placed on the methodological principles applicable in the case of the Western classical music solo vocal repertoire, but reference is also made to the applicability of this method in other vocal genres and, in particular, in the case of choral music participation. Special attention is given to the subject of the vocal health of the developing teenage voice, which includes an overview of vocal disorders and suggestions for rehabilitation and remedial programmes where necessary. Triangulation of research results is achieved in this study through inclusion of: - A thorough survey of selected pertinent bibliographic sources - Description of and engagement with the researcher’s own numerous phenomenological encounters in this field - Interviews conducted in Port Elizabeth with Jill Nock, voice teacher, on the subject of voice teaching method, and with John Black, Ear, Nose and Throat Specialist, on the subject of vocal health. The researcher concludes that there is a need for continued education and training of music educators in the South African high school environment, many of whom are not trained voice specialists, in order to cater for the growing number of high school music learners who choose to specialise in voice. Although educator networking can go a long way towards creating an informal support system to address this need, it is ultimately the responsibility of the Department of Basic Education to address this in a formal and all-encompassing fashion.
- Full Text:
- Date Issued: 2012
- Authors: Olivier, Madelie Charlotte
- Date: 2012
- Subjects: Singing -- Instruction and study , Voice culture -- Exercises , Singing -- Methods
- Language: English
- Type: Thesis , Masters , MMus
- Identifier: vital:8523 , http://hdl.handle.net/10948/d1019926
- Description: This dissertation presents a critical study of voice teaching method as this pertains to the high school learner studying voice within the South African educational environment, with learning outcomes determined for subject music within the GET (General Education and Training) and FET (Further Education and Training) bands of the Department of Basic Education at each school grade level, as well as by external examining bodies such as Unisa (University of South Africa), Trinity Guildhall and ABRSM (Amalgamated Board of the Royal Schools of Music). Emphasis is placed on the methodological principles applicable in the case of the Western classical music solo vocal repertoire, but reference is also made to the applicability of this method in other vocal genres and, in particular, in the case of choral music participation. Special attention is given to the subject of the vocal health of the developing teenage voice, which includes an overview of vocal disorders and suggestions for rehabilitation and remedial programmes where necessary. Triangulation of research results is achieved in this study through inclusion of: - A thorough survey of selected pertinent bibliographic sources - Description of and engagement with the researcher’s own numerous phenomenological encounters in this field - Interviews conducted in Port Elizabeth with Jill Nock, voice teacher, on the subject of voice teaching method, and with John Black, Ear, Nose and Throat Specialist, on the subject of vocal health. The researcher concludes that there is a need for continued education and training of music educators in the South African high school environment, many of whom are not trained voice specialists, in order to cater for the growing number of high school music learners who choose to specialise in voice. Although educator networking can go a long way towards creating an informal support system to address this need, it is ultimately the responsibility of the Department of Basic Education to address this in a formal and all-encompassing fashion.
- Full Text:
- Date Issued: 2012
A critical realist exploration of the implementation of a new curriculum in Swaziland
- Authors: Pereira, Liphie
- Date: 2012
- Subjects: Critical realism Education -- Philosophy Critical pedagogy -- Swaziland Curriculum change -- Swaziland Education -- Swaziland Education and state -- Swaziland Education -- Aims and objectives -- Swaziland Critical discourse analysis International General Certificate of Secondary Education
- Language: English
- Type: Thesis , Doctoral , PhD
- Identifier: vital:1484 , http://hdl.handle.net/10962/d1003365
- Description: This study offers an in-depth exploration of the conditions from which the implementation of a curriculum called the International General Certificate of Secondary Education (IGCSE), later localised into Swaziland General Certificate of Secondary Education (SGCSE), emerged and the constraining and enabling conditions for the implementation of the new I/SGCSE curriculum. It derives its theoretical foundation from Roy Bhaskar’s critical realism and Margaret Archer’s concept of analytical separability. The study therefore offers explanations about the curriculum change and its implementation that are based on how structural, cultural, and agential mechanisms operating at a deeper level of reality (the intransitive layer of reality or the domain of the real) and existing independently of what we see, know or believe of them (the transitive layer of reality or domains of the actual and empirical) interacted to condition the emergence of I/SGCSE and the way it is implemented. I conduct a critical discourse analysis of relevant literature, I/SGCSE documents and interview data in order to identify those mechanisms that were cultural and also those that were structural and agential. Bernstein’s concepts of classification and framing are used to analyse observation data in order to explore the influence of these mechanisms on the teaching practices of the teachers who took part in the study. Analysis of the data suggests that the change from General Certificate of Education Ordinary Level (GCE O-level) to I/SGCSE was conditioned by inconsistencies between the cultural and structural mechanisms of the Swazi context. Many of the cultural elements of the Swazi context such as the discourses of good citizens, of competitive advantage, and of quality education draw from global discourses which view relations between people from a postmodernist position and therefore support weakly classified and framed pedagogic practices. In contrast, the discourse of morality and many of the structural elements of the Swazi context, such as the pre2006 education system and the Tinkhundla government system, all view reality from a modernist position, therefore supporting strong relations of power and control. The cultural system therefore exerted more influence in conditioning the change from the strongly classified and framed GCE O-level curriculum to the weakly classified and framed I/SGCSE curriculum. Furthermore, the analysis of interview and observation data suggests that inconsistencies between the global discourses and the discourses and structures that teachers confront in their day-to-day lives, together with the decisions teachers made in response to structural constraints, created constraining conditions for the change from GCE O-level to I/SGCSE. The study adds to knowledge on curriculum change and implementation through insights into the enabling and constraining effects of mechanisms operating at a deeper level of reality on curriculum-change decisions and on the ability of teachers to implement curriculum changes. The focus on the deeper level of reality may therefore contribute towards emancipatory knowledge which could be used not only by the Ministry of Education and Training and teachers in Swaziland but also elsewhere to inform future planning, decision making, and practice in relation to curriculum change and implementation.
- Full Text:
- Date Issued: 2012
- Authors: Pereira, Liphie
- Date: 2012
- Subjects: Critical realism Education -- Philosophy Critical pedagogy -- Swaziland Curriculum change -- Swaziland Education -- Swaziland Education and state -- Swaziland Education -- Aims and objectives -- Swaziland Critical discourse analysis International General Certificate of Secondary Education
- Language: English
- Type: Thesis , Doctoral , PhD
- Identifier: vital:1484 , http://hdl.handle.net/10962/d1003365
- Description: This study offers an in-depth exploration of the conditions from which the implementation of a curriculum called the International General Certificate of Secondary Education (IGCSE), later localised into Swaziland General Certificate of Secondary Education (SGCSE), emerged and the constraining and enabling conditions for the implementation of the new I/SGCSE curriculum. It derives its theoretical foundation from Roy Bhaskar’s critical realism and Margaret Archer’s concept of analytical separability. The study therefore offers explanations about the curriculum change and its implementation that are based on how structural, cultural, and agential mechanisms operating at a deeper level of reality (the intransitive layer of reality or the domain of the real) and existing independently of what we see, know or believe of them (the transitive layer of reality or domains of the actual and empirical) interacted to condition the emergence of I/SGCSE and the way it is implemented. I conduct a critical discourse analysis of relevant literature, I/SGCSE documents and interview data in order to identify those mechanisms that were cultural and also those that were structural and agential. Bernstein’s concepts of classification and framing are used to analyse observation data in order to explore the influence of these mechanisms on the teaching practices of the teachers who took part in the study. Analysis of the data suggests that the change from General Certificate of Education Ordinary Level (GCE O-level) to I/SGCSE was conditioned by inconsistencies between the cultural and structural mechanisms of the Swazi context. Many of the cultural elements of the Swazi context such as the discourses of good citizens, of competitive advantage, and of quality education draw from global discourses which view relations between people from a postmodernist position and therefore support weakly classified and framed pedagogic practices. In contrast, the discourse of morality and many of the structural elements of the Swazi context, such as the pre2006 education system and the Tinkhundla government system, all view reality from a modernist position, therefore supporting strong relations of power and control. The cultural system therefore exerted more influence in conditioning the change from the strongly classified and framed GCE O-level curriculum to the weakly classified and framed I/SGCSE curriculum. Furthermore, the analysis of interview and observation data suggests that inconsistencies between the global discourses and the discourses and structures that teachers confront in their day-to-day lives, together with the decisions teachers made in response to structural constraints, created constraining conditions for the change from GCE O-level to I/SGCSE. The study adds to knowledge on curriculum change and implementation through insights into the enabling and constraining effects of mechanisms operating at a deeper level of reality on curriculum-change decisions and on the ability of teachers to implement curriculum changes. The focus on the deeper level of reality may therefore contribute towards emancipatory knowledge which could be used not only by the Ministry of Education and Training and teachers in Swaziland but also elsewhere to inform future planning, decision making, and practice in relation to curriculum change and implementation.
- Full Text:
- Date Issued: 2012
A critical psychology of the postcolonial: the mind of apartheid. A book review
- Authors: Matthews, Sally
- Date: 2012
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/142351 , vital:38072 , DOI: 10.1080/14725843.2012.730818
- Description: This book provides a careful and detailed defence of the idea that the (post)colonial condition, and particularly the role that race has played in the (post)colony, cannot properly be understood without the theorisation of the ‘psychopolitical’. By the ‘psychopolitical’, Hook refers to ‘a reciprocal form of critique in which we not only place the psychological within the register of the political, but, perhaps more challengingly, in which the political is also – although strategically – approached through the register of the psychological’ (p. 40). In order to do this, Hook engages with and develops upon the insights of some key postcolonial thinkers, most notably Frantz Fanon and Homi Bhabha. Hook argues convincingly that concepts and approaches from psychoanalysis are helpful in properly understanding the postcolonial condition and, particularly, in getting to grips with the malleability and persistence of racism.
- Full Text:
- Date Issued: 2012
- Authors: Matthews, Sally
- Date: 2012
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/142351 , vital:38072 , DOI: 10.1080/14725843.2012.730818
- Description: This book provides a careful and detailed defence of the idea that the (post)colonial condition, and particularly the role that race has played in the (post)colony, cannot properly be understood without the theorisation of the ‘psychopolitical’. By the ‘psychopolitical’, Hook refers to ‘a reciprocal form of critique in which we not only place the psychological within the register of the political, but, perhaps more challengingly, in which the political is also – although strategically – approached through the register of the psychological’ (p. 40). In order to do this, Hook engages with and develops upon the insights of some key postcolonial thinkers, most notably Frantz Fanon and Homi Bhabha. Hook argues convincingly that concepts and approaches from psychoanalysis are helpful in properly understanding the postcolonial condition and, particularly, in getting to grips with the malleability and persistence of racism.
- Full Text:
- Date Issued: 2012
A critical evaluation of the management and implementation of performance management and development system: a case study in the Department of Local Government and Traditional Affairs; Bhisho, Eastern Cape
- Authors: Mzileni, Nompumezo
- Date: 2012
- Subjects: Performance -- Management , Strategic planning -- South Africa -- Eastern Cape , Performance awards -- South Africa -- Eastern Cape , Employees -- Training of -- South Africa -- Eastern Cape , Employees -- In-service training -- South Africa -- Eastern Cape , Labor turnover -- South Africa -- Eastern Cape , Organizational commitment -- South Africa -- Eastern Cape
- Language: English
- Type: Thesis , Masters , MPA
- Identifier: vital:11666 , http://hdl.handle.net/10353/d1007109 , Performance -- Management , Strategic planning -- South Africa -- Eastern Cape , Performance awards -- South Africa -- Eastern Cape , Employees -- Training of -- South Africa -- Eastern Cape , Employees -- In-service training -- South Africa -- Eastern Cape , Labor turnover -- South Africa -- Eastern Cape , Organizational commitment -- South Africa -- Eastern Cape
- Description: Performance management systems help align individual goals and objectives with those of the organisation. The system engages employees and thereby directs them toward achieving the strategic goals of the organisation. The purpose of this research study was to conduct a critical evaluation on the management and implementation of Performance management and development System in the Department of Local Government and Traditional Affairs. Despite the importance of performance management, most organisations find it difficult to implement, manage and sustain performance management systems and processes effectively. It is therefore crucial to ensure adequate planning, evaluation and training is done that will support a sustainable process. Given the strategic role played by the SMS, especially the management of Performance Agreements in the realization of government programmes, it is important that departmental officials make efforts to ensure compliance with its provisions. This study has shown that officials have not been accurate enough in their implementation of the PMDS. The study reveals that there is no staff development programme in place that would help develop staff members to grow in the different fields of their jobs. This is a sound reason why staff responded that they are not happy with the current system. It would appear that management does not devote a great deal of time to staff development. The focus of the PMDS needs to be changed from an output-focused system to a management development system, where there is an increased focus on the development of competencies, compared to the current focus on rewarding only output.
- Full Text:
- Date Issued: 2012
- Authors: Mzileni, Nompumezo
- Date: 2012
- Subjects: Performance -- Management , Strategic planning -- South Africa -- Eastern Cape , Performance awards -- South Africa -- Eastern Cape , Employees -- Training of -- South Africa -- Eastern Cape , Employees -- In-service training -- South Africa -- Eastern Cape , Labor turnover -- South Africa -- Eastern Cape , Organizational commitment -- South Africa -- Eastern Cape
- Language: English
- Type: Thesis , Masters , MPA
- Identifier: vital:11666 , http://hdl.handle.net/10353/d1007109 , Performance -- Management , Strategic planning -- South Africa -- Eastern Cape , Performance awards -- South Africa -- Eastern Cape , Employees -- Training of -- South Africa -- Eastern Cape , Employees -- In-service training -- South Africa -- Eastern Cape , Labor turnover -- South Africa -- Eastern Cape , Organizational commitment -- South Africa -- Eastern Cape
- Description: Performance management systems help align individual goals and objectives with those of the organisation. The system engages employees and thereby directs them toward achieving the strategic goals of the organisation. The purpose of this research study was to conduct a critical evaluation on the management and implementation of Performance management and development System in the Department of Local Government and Traditional Affairs. Despite the importance of performance management, most organisations find it difficult to implement, manage and sustain performance management systems and processes effectively. It is therefore crucial to ensure adequate planning, evaluation and training is done that will support a sustainable process. Given the strategic role played by the SMS, especially the management of Performance Agreements in the realization of government programmes, it is important that departmental officials make efforts to ensure compliance with its provisions. This study has shown that officials have not been accurate enough in their implementation of the PMDS. The study reveals that there is no staff development programme in place that would help develop staff members to grow in the different fields of their jobs. This is a sound reason why staff responded that they are not happy with the current system. It would appear that management does not devote a great deal of time to staff development. The focus of the PMDS needs to be changed from an output-focused system to a management development system, where there is an increased focus on the development of competencies, compared to the current focus on rewarding only output.
- Full Text:
- Date Issued: 2012
A critical assessment of the quality of community home-based care
- Authors: Morton, David Gerard
- Date: 2012
- Subjects: Home care services -- South Africa -- Eastern Cape , Home nursing -- Equipment and supplies , Caregivers -- South Africa -- Eastern Cape , Community health nursing -- South Africa -- Eastern Cape , Home health aides
- Language: English
- Type: Thesis , Doctoral , DPhil
- Identifier: vital:16133 , http://hdl.handle.net/10948/1606 , Home care services -- South Africa -- Eastern Cape , Home nursing -- Equipment and supplies , Caregivers -- South Africa -- Eastern Cape , Community health nursing -- South Africa -- Eastern Cape , Home health aides
- Description: Volunteer home-based caregivers are critical role players in South Africa‘s health care system and in the South African government‘s strategy to fight HIV and AIDS. In order to achieve the aims that the government seeks to attain, it is important that the care and treatment provided to patients receiving community home-based care (CHBC) be of a high quality. While the need for quality care is supported by government and civil society, research indicates that it is not clear whether quality care is indeed being provided and therefore there is a need for research into the quality of CHBC. The research aimed to undertake a critical assessment of CHBC programmes to determine the quality of care provided by volunteer caregivers using social capital theory as a theoretical framework. The study examined the quality of CHBC by analysing the context of CHBC, by investigating the support that volunteer caregivers and their clients receive and by discussing the support that volunteer caregivers and their clients still need. The study used one-on-one in-depth interviews and focus groups to obtain relevant data. The participants included volunteer caregivers, clients and supervisors who took part in the one-on-one interviews. The focus groups consisted of key informants and supervisors respectively. The quantitative data consisted of descriptive statistics which helped describe the participants. The qualitative data was coded and themes and sub-themes were developed. The data was also analysed by an independent coder. The results showed that poverty, and the related problems of poor living conditions and a lack of food security affects the quality CHBC. In addition, unemployment and the problem of stipends also affect quality CHBC. Certain socio-economic factors were also found to lead people to choose to become volunteer caregivers and unemployment was found to be an important driving force behind the choice to undertake volunteer caregiving. Furthermore, the volunteer caregivers in the sample received organisational support from their supervisors and their fellow caregivers or peers. They also received social support from their families and their communities. Regarding the clients of the volunteer caregivers, it was found that they received a number of types of support including psycho- iv social counselling, spiritual counselling and care of a holistic nature. In addition, the study found that there is a need for standardised quality training of volunteer caregivers, which will equip them with multiple skills. It was also found that volunteer caregivers require mentoring and quality supervision in order to be able to provide quality CHBC to their clients. Government has the ability to put the necessary systems and structures in place, such as a scope of practice for volunteers, standardised training and monitoring and evaluation, to enable CHBC and its relevant role players to operate at optimum levels. It also has the authority to make the changes and to enforce rules. Furthermore, it has the ability to unite CHBC organisations and can create the necessary conditions that can lead to increased social capital. Furthermore, the study recommends that two additional dimensions of quality care be added to existing dimensions of quality in health care. The first is the holistic approach to caregiving and the second is social support systems, namely supervisor/mentor and peer support and family and community support. This second dimension is also closely linked to social capital and the networks that make up CHBC.
- Full Text:
- Date Issued: 2012
- Authors: Morton, David Gerard
- Date: 2012
- Subjects: Home care services -- South Africa -- Eastern Cape , Home nursing -- Equipment and supplies , Caregivers -- South Africa -- Eastern Cape , Community health nursing -- South Africa -- Eastern Cape , Home health aides
- Language: English
- Type: Thesis , Doctoral , DPhil
- Identifier: vital:16133 , http://hdl.handle.net/10948/1606 , Home care services -- South Africa -- Eastern Cape , Home nursing -- Equipment and supplies , Caregivers -- South Africa -- Eastern Cape , Community health nursing -- South Africa -- Eastern Cape , Home health aides
- Description: Volunteer home-based caregivers are critical role players in South Africa‘s health care system and in the South African government‘s strategy to fight HIV and AIDS. In order to achieve the aims that the government seeks to attain, it is important that the care and treatment provided to patients receiving community home-based care (CHBC) be of a high quality. While the need for quality care is supported by government and civil society, research indicates that it is not clear whether quality care is indeed being provided and therefore there is a need for research into the quality of CHBC. The research aimed to undertake a critical assessment of CHBC programmes to determine the quality of care provided by volunteer caregivers using social capital theory as a theoretical framework. The study examined the quality of CHBC by analysing the context of CHBC, by investigating the support that volunteer caregivers and their clients receive and by discussing the support that volunteer caregivers and their clients still need. The study used one-on-one in-depth interviews and focus groups to obtain relevant data. The participants included volunteer caregivers, clients and supervisors who took part in the one-on-one interviews. The focus groups consisted of key informants and supervisors respectively. The quantitative data consisted of descriptive statistics which helped describe the participants. The qualitative data was coded and themes and sub-themes were developed. The data was also analysed by an independent coder. The results showed that poverty, and the related problems of poor living conditions and a lack of food security affects the quality CHBC. In addition, unemployment and the problem of stipends also affect quality CHBC. Certain socio-economic factors were also found to lead people to choose to become volunteer caregivers and unemployment was found to be an important driving force behind the choice to undertake volunteer caregiving. Furthermore, the volunteer caregivers in the sample received organisational support from their supervisors and their fellow caregivers or peers. They also received social support from their families and their communities. Regarding the clients of the volunteer caregivers, it was found that they received a number of types of support including psycho- iv social counselling, spiritual counselling and care of a holistic nature. In addition, the study found that there is a need for standardised quality training of volunteer caregivers, which will equip them with multiple skills. It was also found that volunteer caregivers require mentoring and quality supervision in order to be able to provide quality CHBC to their clients. Government has the ability to put the necessary systems and structures in place, such as a scope of practice for volunteers, standardised training and monitoring and evaluation, to enable CHBC and its relevant role players to operate at optimum levels. It also has the authority to make the changes and to enforce rules. Furthermore, it has the ability to unite CHBC organisations and can create the necessary conditions that can lead to increased social capital. Furthermore, the study recommends that two additional dimensions of quality care be added to existing dimensions of quality in health care. The first is the holistic approach to caregiving and the second is social support systems, namely supervisor/mentor and peer support and family and community support. This second dimension is also closely linked to social capital and the networks that make up CHBC.
- Full Text:
- Date Issued: 2012
A critical analysis of the screen adaptation of Saule’s Unyana womntu
- Authors: Mbatsha, Thembisa
- Date: 2012
- Subjects: Xhosa fiction -- 20th century , Authors, African -- Biography , Literature -- Adaptations
- Language: English
- Type: Thesis , Masters , M Soc Sc (Arts)
- Identifier: vital:11842 , http://hdl.handle.net/10353/d1018674 , Xhosa fiction -- 20th century , Authors, African -- Biography , Literature -- Adaptations
- Description: This research will concentrate on various aspects of the screen adaptation of “Unyana womntu” (Saule, 1989). This study comprises of six chapters. In Chapter 1 of this study, the research aims and objectives are formulated. The research methods that are to be followed will involve a thorough reading of the written text, as well as a comprehensive repetitive viewing of all the episodes of the screen version. In the final part of Chapter 1, background information is provided on the personal life of the author as well as on his contributions to the African literary tradition. Background information on the production of the screen version is also provided. In the Chapter 2, the theoretical aspects of the phenomenon of literary adaptation are discussed. This discussion provides a framework for the analysis of the adaptation of “Unyana womntu” (Saule, 1989) in the remaining chapters of this study. The aim of this chapter is to identify and discuss the most important principles which come into play when the written text is adapted into a screen production. Since the screen production belongs to the genre of the performing arts, this chapter is introduced with a discussion on the performing arts and on the drama, in particular. The section will be concluded with a discussion on the different sub-types of the drama which can be found, including the screen production. The main emphasis is on an analysis of the basic features and principles of the drama in screen format. Since the screen play Unyana Womntu (1998) is based upon a novel by the same title, the literary features of the novel are to be discussed here as well. The specific features of the Xhosa novel will also receive attention.
- Full Text:
- Date Issued: 2012
- Authors: Mbatsha, Thembisa
- Date: 2012
- Subjects: Xhosa fiction -- 20th century , Authors, African -- Biography , Literature -- Adaptations
- Language: English
- Type: Thesis , Masters , M Soc Sc (Arts)
- Identifier: vital:11842 , http://hdl.handle.net/10353/d1018674 , Xhosa fiction -- 20th century , Authors, African -- Biography , Literature -- Adaptations
- Description: This research will concentrate on various aspects of the screen adaptation of “Unyana womntu” (Saule, 1989). This study comprises of six chapters. In Chapter 1 of this study, the research aims and objectives are formulated. The research methods that are to be followed will involve a thorough reading of the written text, as well as a comprehensive repetitive viewing of all the episodes of the screen version. In the final part of Chapter 1, background information is provided on the personal life of the author as well as on his contributions to the African literary tradition. Background information on the production of the screen version is also provided. In the Chapter 2, the theoretical aspects of the phenomenon of literary adaptation are discussed. This discussion provides a framework for the analysis of the adaptation of “Unyana womntu” (Saule, 1989) in the remaining chapters of this study. The aim of this chapter is to identify and discuss the most important principles which come into play when the written text is adapted into a screen production. Since the screen production belongs to the genre of the performing arts, this chapter is introduced with a discussion on the performing arts and on the drama, in particular. The section will be concluded with a discussion on the different sub-types of the drama which can be found, including the screen production. The main emphasis is on an analysis of the basic features and principles of the drama in screen format. Since the screen play Unyana Womntu (1998) is based upon a novel by the same title, the literary features of the novel are to be discussed here as well. The specific features of the Xhosa novel will also receive attention.
- Full Text:
- Date Issued: 2012
A critical analysis of the role of public participation in governance and service delivery with specific reference to the Buffalo City Municipality
- Authors: Maphazi, Nondumiso
- Date: 2012
- Subjects: Local government -- South Africa -- Buffalo City -- Citizen participation , Municipal services -- South Africa -- Buffalo City -- Citizen participation , Sustainable development -- South Africa -- Eastern Cape -- Citizen participation , Municipal services -- Management -- South Africa -- Eastern Cape -- Buffalo City Municipality
- Language: English
- Type: Thesis , Doctoral , PhD
- Identifier: vital:8257 , http://hdl.handle.net/10948/d1012147 , Local government -- South Africa -- Buffalo City -- Citizen participation , Municipal services -- South Africa -- Buffalo City -- Citizen participation , Sustainable development -- South Africa -- Eastern Cape -- Citizen participation , Municipal services -- Management -- South Africa -- Eastern Cape -- Buffalo City Municipality
- Description: This study undertook a critical analysis of the role of public participation in local governance and service delivery, with specific reference to the Buffalo City Municipality. The main aims of the study were to identify possible deficiencies in public participation processes, the development of strategies to enhance public participation, the development of mechanisms to ensure coordinated, integrated and focused public participation initiatives and the development of a normative model for improved public participation. The triangulation research methodology was employed with emphasis on the quantitative and qualitative methodologies. The sample comprised of councillors, officials and ward committee members. Questionnaires, with open and closed questions, were employed for the councillors and focus group interviews were conducted with ward committee members. Statistical procedures were utilised to interpret and analyse the quantitative data to determine the results using the Statistica package for data analysis. The qualitative data analysis involved thematic content analysis. Findings suggest that the current public participation strategies are inadequate. The correlation of results further reveals that a significant negative relationship exists between the councillors, officials and ward committee members. Despite various legislative prescriptions pertaining to public participation requirements in local government, the results imply that the Buffalo City Municipality has not fully complied with such prescriptions and national policy directives. The thesis proposes specific recommendations on how the Buffalo City Municipality can address the current short comings in terms of its public participation programmes and strategies. Recommendations include the establishment of a centralised Public Participation Unit, the empowerment of ward committee members and ward councillors, adequate resource allocation for ward committees, enhanced coordination between the various community structures, improved interaction with local communities, enhanced public participation initiatives and the need for additional anti-fraud and anti-corruption strategies within the municipality. A normative model, for enhanced public participation in local government, is also proposed in the thesis.
- Full Text:
- Date Issued: 2012
- Authors: Maphazi, Nondumiso
- Date: 2012
- Subjects: Local government -- South Africa -- Buffalo City -- Citizen participation , Municipal services -- South Africa -- Buffalo City -- Citizen participation , Sustainable development -- South Africa -- Eastern Cape -- Citizen participation , Municipal services -- Management -- South Africa -- Eastern Cape -- Buffalo City Municipality
- Language: English
- Type: Thesis , Doctoral , PhD
- Identifier: vital:8257 , http://hdl.handle.net/10948/d1012147 , Local government -- South Africa -- Buffalo City -- Citizen participation , Municipal services -- South Africa -- Buffalo City -- Citizen participation , Sustainable development -- South Africa -- Eastern Cape -- Citizen participation , Municipal services -- Management -- South Africa -- Eastern Cape -- Buffalo City Municipality
- Description: This study undertook a critical analysis of the role of public participation in local governance and service delivery, with specific reference to the Buffalo City Municipality. The main aims of the study were to identify possible deficiencies in public participation processes, the development of strategies to enhance public participation, the development of mechanisms to ensure coordinated, integrated and focused public participation initiatives and the development of a normative model for improved public participation. The triangulation research methodology was employed with emphasis on the quantitative and qualitative methodologies. The sample comprised of councillors, officials and ward committee members. Questionnaires, with open and closed questions, were employed for the councillors and focus group interviews were conducted with ward committee members. Statistical procedures were utilised to interpret and analyse the quantitative data to determine the results using the Statistica package for data analysis. The qualitative data analysis involved thematic content analysis. Findings suggest that the current public participation strategies are inadequate. The correlation of results further reveals that a significant negative relationship exists between the councillors, officials and ward committee members. Despite various legislative prescriptions pertaining to public participation requirements in local government, the results imply that the Buffalo City Municipality has not fully complied with such prescriptions and national policy directives. The thesis proposes specific recommendations on how the Buffalo City Municipality can address the current short comings in terms of its public participation programmes and strategies. Recommendations include the establishment of a centralised Public Participation Unit, the empowerment of ward committee members and ward councillors, adequate resource allocation for ward committees, enhanced coordination between the various community structures, improved interaction with local communities, enhanced public participation initiatives and the need for additional anti-fraud and anti-corruption strategies within the municipality. A normative model, for enhanced public participation in local government, is also proposed in the thesis.
- Full Text:
- Date Issued: 2012
A critical analysis of the applicability of King III in the local government sphere: a case of the Buffalo City Metropolitan Municipality in the Eastern Cape from 2009-2011
- Mawonga, Thembinkosi Arthwell
- Authors: Mawonga, Thembinkosi Arthwell
- Date: 2012
- Subjects: Local government -- South Africa -- Eastern Cape , Human services -- South Africa -- Eastern Cape , Finance, Public -- South Africa -- Eastern Cape , Public administration -- South Africa -- Eastern Cape
- Language: English
- Type: Thesis , Masters , MPA
- Identifier: vital:11628 , http://hdl.handle.net/10353/d1001236 , Local government -- South Africa -- Eastern Cape , Human services -- South Africa -- Eastern Cape , Finance, Public -- South Africa -- Eastern Cape , Public administration -- South Africa -- Eastern Cape
- Description: The purpose of this mini-dissertation is to investigate the applicability of the King III in local government sphere, as well as to evaluate the impact it is likely to have if its principles and recommendations were to be fully implemented. Local government has been plagued by very serious challenges of poor service delivery and this has been attributed, in the main, to a lack of adequate resources to address backlogs and maintain existing infrastructure. it is therefore very important that all resources are harnessed and channelled to where they are most need, in service delivery. The investigation of the systems and procedures that are in place to ensure prudent financial management and accountability is a worthwhile study. the BMC, is one of two economic hubs of the Eastern Cape. The mini dissertation commences with assessment of governance arrangements that are in place at the BMC against the minimum standards proposed by the King III. It explores the full range of principles proposed in the codes and compares that to practices and procedures at BMC. To avoid a long winded discussion because the principles are close to ten in number; these have been combined and formulated into four broad themes. A consolidated discussion on manifestations on bad governance or poor adherence to good governance in the public sector is discussed in detail. Finally, the impact of various initiatives currently being pursued to promote good governance will be examined, key lessons will be drawn and recommendations for further studies will be made.
- Full Text:
- Date Issued: 2012
- Authors: Mawonga, Thembinkosi Arthwell
- Date: 2012
- Subjects: Local government -- South Africa -- Eastern Cape , Human services -- South Africa -- Eastern Cape , Finance, Public -- South Africa -- Eastern Cape , Public administration -- South Africa -- Eastern Cape
- Language: English
- Type: Thesis , Masters , MPA
- Identifier: vital:11628 , http://hdl.handle.net/10353/d1001236 , Local government -- South Africa -- Eastern Cape , Human services -- South Africa -- Eastern Cape , Finance, Public -- South Africa -- Eastern Cape , Public administration -- South Africa -- Eastern Cape
- Description: The purpose of this mini-dissertation is to investigate the applicability of the King III in local government sphere, as well as to evaluate the impact it is likely to have if its principles and recommendations were to be fully implemented. Local government has been plagued by very serious challenges of poor service delivery and this has been attributed, in the main, to a lack of adequate resources to address backlogs and maintain existing infrastructure. it is therefore very important that all resources are harnessed and channelled to where they are most need, in service delivery. The investigation of the systems and procedures that are in place to ensure prudent financial management and accountability is a worthwhile study. the BMC, is one of two economic hubs of the Eastern Cape. The mini dissertation commences with assessment of governance arrangements that are in place at the BMC against the minimum standards proposed by the King III. It explores the full range of principles proposed in the codes and compares that to practices and procedures at BMC. To avoid a long winded discussion because the principles are close to ten in number; these have been combined and formulated into four broad themes. A consolidated discussion on manifestations on bad governance or poor adherence to good governance in the public sector is discussed in detail. Finally, the impact of various initiatives currently being pursued to promote good governance will be examined, key lessons will be drawn and recommendations for further studies will be made.
- Full Text:
- Date Issued: 2012
A cooperative benefits framework in South Africa's land redistribution process: the case of sugarcane farmland transfers
- Mbatha, Cyril N, Antrobus, Geoffrey G
- Authors: Mbatha, Cyril N , Antrobus, Geoffrey G
- Date: 2013
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/142922 , vital:38176 , DOI: 10.1080/03031853.2012.741207
- Description: A good indicator of successful land redistribution cases has to be the continuation of viable productivity rates in their post-transfer periods. Continued productivity benefits all the stakeholders that are involved in the process. Unfortunately, negative productivity levels have been reported in numerous South African land redistribution transfers in recent years. A game theoretic perspective is adopted to illustrate and argue that cooperation among key stakeholders, which could be enforced through long-term contracts between land buyers, sellers and new owners, may lead to maintenance and higher productivity levels and other benefits within the country's land redistribution process.
- Full Text:
- Date Issued: 2013
- Authors: Mbatha, Cyril N , Antrobus, Geoffrey G
- Date: 2013
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/142922 , vital:38176 , DOI: 10.1080/03031853.2012.741207
- Description: A good indicator of successful land redistribution cases has to be the continuation of viable productivity rates in their post-transfer periods. Continued productivity benefits all the stakeholders that are involved in the process. Unfortunately, negative productivity levels have been reported in numerous South African land redistribution transfers in recent years. A game theoretic perspective is adopted to illustrate and argue that cooperation among key stakeholders, which could be enforced through long-term contracts between land buyers, sellers and new owners, may lead to maintenance and higher productivity levels and other benefits within the country's land redistribution process.
- Full Text:
- Date Issued: 2013
A conflict theory analysis of the 2007 South African public sector strike using a conflict model
- Authors: Knowles, Kelvin David
- Date: 2012
- Subjects: Collective bargaining -- South Africa , Dispute resolution (Law) -- South Africa , Strikes and lockouts -- Law and legislation -- South Africa , Industrial relations -- South Africa
- Language: English
- Type: Thesis , Masters , MA
- Identifier: vital:9407 , http://hdl.handle.net/10948/d1015033
- Description: Conflict is an inherent part of any service relationship, and is one of the important methods of effective organisational functioning. Depending on its management, it has both constructive and negative outcomes. The most extreme outcome of conflict in an industrial relationship is a strike. The South African Public Service strike of 2007 was the most protracted and united strike in the history of South Africa. In order to provide an insight into this strike, this treatise explores the following key aspects: • To present a short background of collective bargaining in the public sector through time. • To provide a short background to the public sector strike in 2007. • To develop a conflict model for analytic purposes based on a literature review and to use the conflict model to analyse the strike. A study of the strike was deemed essential because of its current nature and it being charged with political undertones. Moreover, conflict in the employment relationship has had an important influence on theories of industrial relations. The South African labour relations system is pluralist in nature, with a focus on the formal institutions of industrial relations. The focus should be on the motives and actions of parties in the employment relationship. Hence, one should look beyond conventional explanations in understanding conflict.
- Full Text:
- Date Issued: 2012
- Authors: Knowles, Kelvin David
- Date: 2012
- Subjects: Collective bargaining -- South Africa , Dispute resolution (Law) -- South Africa , Strikes and lockouts -- Law and legislation -- South Africa , Industrial relations -- South Africa
- Language: English
- Type: Thesis , Masters , MA
- Identifier: vital:9407 , http://hdl.handle.net/10948/d1015033
- Description: Conflict is an inherent part of any service relationship, and is one of the important methods of effective organisational functioning. Depending on its management, it has both constructive and negative outcomes. The most extreme outcome of conflict in an industrial relationship is a strike. The South African Public Service strike of 2007 was the most protracted and united strike in the history of South Africa. In order to provide an insight into this strike, this treatise explores the following key aspects: • To present a short background of collective bargaining in the public sector through time. • To provide a short background to the public sector strike in 2007. • To develop a conflict model for analytic purposes based on a literature review and to use the conflict model to analyse the strike. A study of the strike was deemed essential because of its current nature and it being charged with political undertones. Moreover, conflict in the employment relationship has had an important influence on theories of industrial relations. The South African labour relations system is pluralist in nature, with a focus on the formal institutions of industrial relations. The focus should be on the motives and actions of parties in the employment relationship. Hence, one should look beyond conventional explanations in understanding conflict.
- Full Text:
- Date Issued: 2012
A conceptual model of an access-technology-agnostic delivery mechanism for ICT4D services
- Authors: Makitla, Mokone Ishmael
- Date: 2012
- Subjects: Technological innovations -- Developing countries , Information technology -- Developing countries
- Language: English
- Type: Thesis , Masters , MTech
- Identifier: vital:9817 , http://hdl.handle.net/10948/d1019756
- Description: Information and Communication Technology for Development (ICT4D) is an emerging research area that is concerned with the beneficial applications of Information and Communications Technology (ICT) to achieve developmental goals. ICT4D is thus concerned with designing and developing innovative technologies for resource-constrained environments for applications in key areas of social development such as health, agriculture and education. The ICT4D initiatives, therefore, are driving three main tasks, namely developing the required infrastructure (connectivity, electricity and computing devices) sustainably, building the required ICT human capacity, and providing access to digital content and services. Each of these three main thrusts necessitates innovation. This study addresses the evident lack of delivery mechanisms to facilitate access to digital content and services to end-users through the technologies that these end-users already possess. This lack of innovative delivery mechanisms is both an impediment to achieving equitable access to digital content and service and an opportunity to innovate. Therefore, drawing from the theoretical background of ICT4D, this study develops a set of technical and socio-technical requirements that the missing delivery mechanisms should satisfy. The study also explores the Service Delivery Platform (SDP) concept as a technically viable basis for the required delivery mechanisms. The study then develops a conceptual model of an Access-Technology-Agnostic Delivery Mechanism as a possible delivery mechanism that facilitates equitable access to digital content and services within an ICT4D context. The relevance of the conceptual model is established and, through a prototype implementation, the technical feasibility and utility of the conceptual model is demonstrated. The conceptual model is demonstrated through a proof of concept implementation using standards-based open source technologies. The proof of concept clearly demonstrates that the access-technology-agnostic delivery of digital content and services is achievable, thus making the same service accessible through different access technologies. In developing the Access-Technology-Agnostic Delivery Mechanism, this study contributes through innovation to providing access to digital content and services in an access-technology-agnostic manner.
- Full Text:
- Date Issued: 2012
- Authors: Makitla, Mokone Ishmael
- Date: 2012
- Subjects: Technological innovations -- Developing countries , Information technology -- Developing countries
- Language: English
- Type: Thesis , Masters , MTech
- Identifier: vital:9817 , http://hdl.handle.net/10948/d1019756
- Description: Information and Communication Technology for Development (ICT4D) is an emerging research area that is concerned with the beneficial applications of Information and Communications Technology (ICT) to achieve developmental goals. ICT4D is thus concerned with designing and developing innovative technologies for resource-constrained environments for applications in key areas of social development such as health, agriculture and education. The ICT4D initiatives, therefore, are driving three main tasks, namely developing the required infrastructure (connectivity, electricity and computing devices) sustainably, building the required ICT human capacity, and providing access to digital content and services. Each of these three main thrusts necessitates innovation. This study addresses the evident lack of delivery mechanisms to facilitate access to digital content and services to end-users through the technologies that these end-users already possess. This lack of innovative delivery mechanisms is both an impediment to achieving equitable access to digital content and service and an opportunity to innovate. Therefore, drawing from the theoretical background of ICT4D, this study develops a set of technical and socio-technical requirements that the missing delivery mechanisms should satisfy. The study also explores the Service Delivery Platform (SDP) concept as a technically viable basis for the required delivery mechanisms. The study then develops a conceptual model of an Access-Technology-Agnostic Delivery Mechanism as a possible delivery mechanism that facilitates equitable access to digital content and services within an ICT4D context. The relevance of the conceptual model is established and, through a prototype implementation, the technical feasibility and utility of the conceptual model is demonstrated. The conceptual model is demonstrated through a proof of concept implementation using standards-based open source technologies. The proof of concept clearly demonstrates that the access-technology-agnostic delivery of digital content and services is achievable, thus making the same service accessible through different access technologies. In developing the Access-Technology-Agnostic Delivery Mechanism, this study contributes through innovation to providing access to digital content and services in an access-technology-agnostic manner.
- Full Text:
- Date Issued: 2012
A comparison of harvester productivity and stump volume waste in coppiced and planted eucalyptus grandis pulpwood compartments in the KwaZulu-Natal forestry region of South Africa
- Ramantswana, Mufhumudzi Muedanyi
- Authors: Ramantswana, Mufhumudzi Muedanyi
- Date: 2012
- Subjects: Forest productivity , Forest management
- Language: English
- Type: Thesis , Masters , MTech
- Identifier: vital:10744 , http://hdl.handle.net/10948/d1019844
- Description: Over the past decade the South African forestry industry has gradually experienced the ramifications of labour scarcity, increases in labour costs, the effect of HIV and AIDS and increasing timber demand. Consequently, this has led to an increase in the mechanisation rate, especially in timber harvesting operations. Due to the labour challenges in South Africa, mechanised forestry equipment has increasingly been required to operate in complex forest conditions, such as coppiced compartments, where they have not operated before. It therefore occurs that harvesters are either used in certain coppiced compartments with uncertain productivity expectations, or the harvesters are not used in these compartments due to a lack of productivity knowledge. The influence that certain factors have on harvester productivity and stump volume loss – factors such as coppice regeneration practices and stem form – is poorly understood and has not been quantified. No scientific research exists regarding the effects of coppice compartments on the productivity of a harvester and the amount of stump volume waste. This research aimed at determining the influence of tree volume, tree form, stem felled first and distance between stems on the productivity of an excavator based harvester in coppiced double, coppiced single and planted Eucalyptus grandis pulpwood compartments. Furthermore, the research determined whether there was any stump volume waste, and quantified how much of it was due to excessive stump heights by the harvester. Through regression analysis, productivity equations were derived to make productivity predictions in both coppiced and planted compartments. All stumps were evaluated for waste and the average stump volume waste in coppiced double, coppiced single and planted trees was determined. The research results showed that planted trees had the highest productivity across all tree sizes, followed by coppiced single trees and then coppiced double stems. When harvesting a 0.2 m3 tree, the mean harvester productivity was 8.7 m3 per PMH in coppiced double trees, 13.8 m3 per PMH in coppiced single trees and 16.1 m3 per PMH in planted trees. In coppiced double stems the productivity was not significantly influence by the distance between stems. However, the productivity was significantly influenced by the stem felled first. The regression results showed that if the smaller stem was felled first, the productivity would increase if the larger stem’s volume was less than 0.18 m3; however where the larger stem was greater than 0.18 m3, the relationship was reversed. In addition, the productivity for both coppiced single trees and coppiced double stems were significantly influenced by stem form. The poorly formed trees had low productivity compared to the trees with good form. The stump volume findings showed that coppiced double stems had the highest average stump volume waste per stump, with 0.00307 m3 waste, followed by coppiced single trees (0.001954 m3) and planted trees (0.001650 m3). The average stump volume waste per stump with waste for the planted trees was negligible. This research provides forestry companies and harvesting contractors with information on the effect of tree volume, tree form and stem felled first on harvester productivity in E. grandis coppiced double, coppiced single and planted compartments. This information will assist in making equipment and system selection decisions and improve operational management and control. In addition, they will also be aware of stump volume losses that will occur in the three scenarios.
- Full Text:
- Date Issued: 2012
- Authors: Ramantswana, Mufhumudzi Muedanyi
- Date: 2012
- Subjects: Forest productivity , Forest management
- Language: English
- Type: Thesis , Masters , MTech
- Identifier: vital:10744 , http://hdl.handle.net/10948/d1019844
- Description: Over the past decade the South African forestry industry has gradually experienced the ramifications of labour scarcity, increases in labour costs, the effect of HIV and AIDS and increasing timber demand. Consequently, this has led to an increase in the mechanisation rate, especially in timber harvesting operations. Due to the labour challenges in South Africa, mechanised forestry equipment has increasingly been required to operate in complex forest conditions, such as coppiced compartments, where they have not operated before. It therefore occurs that harvesters are either used in certain coppiced compartments with uncertain productivity expectations, or the harvesters are not used in these compartments due to a lack of productivity knowledge. The influence that certain factors have on harvester productivity and stump volume loss – factors such as coppice regeneration practices and stem form – is poorly understood and has not been quantified. No scientific research exists regarding the effects of coppice compartments on the productivity of a harvester and the amount of stump volume waste. This research aimed at determining the influence of tree volume, tree form, stem felled first and distance between stems on the productivity of an excavator based harvester in coppiced double, coppiced single and planted Eucalyptus grandis pulpwood compartments. Furthermore, the research determined whether there was any stump volume waste, and quantified how much of it was due to excessive stump heights by the harvester. Through regression analysis, productivity equations were derived to make productivity predictions in both coppiced and planted compartments. All stumps were evaluated for waste and the average stump volume waste in coppiced double, coppiced single and planted trees was determined. The research results showed that planted trees had the highest productivity across all tree sizes, followed by coppiced single trees and then coppiced double stems. When harvesting a 0.2 m3 tree, the mean harvester productivity was 8.7 m3 per PMH in coppiced double trees, 13.8 m3 per PMH in coppiced single trees and 16.1 m3 per PMH in planted trees. In coppiced double stems the productivity was not significantly influence by the distance between stems. However, the productivity was significantly influenced by the stem felled first. The regression results showed that if the smaller stem was felled first, the productivity would increase if the larger stem’s volume was less than 0.18 m3; however where the larger stem was greater than 0.18 m3, the relationship was reversed. In addition, the productivity for both coppiced single trees and coppiced double stems were significantly influenced by stem form. The poorly formed trees had low productivity compared to the trees with good form. The stump volume findings showed that coppiced double stems had the highest average stump volume waste per stump, with 0.00307 m3 waste, followed by coppiced single trees (0.001954 m3) and planted trees (0.001650 m3). The average stump volume waste per stump with waste for the planted trees was negligible. This research provides forestry companies and harvesting contractors with information on the effect of tree volume, tree form and stem felled first on harvester productivity in E. grandis coppiced double, coppiced single and planted compartments. This information will assist in making equipment and system selection decisions and improve operational management and control. In addition, they will also be aware of stump volume losses that will occur in the three scenarios.
- Full Text:
- Date Issued: 2012
A comparison between the approaches to unfair discrimination in employment in South Africa and Nigeria
- Authors: Odeyemi, Hannah Olubunmi
- Date: 2012
- Subjects: Discrimination in employment -- Law and legislation -- South Africa , Discrimination in employment -- Law and legislation -- Nigeria , Unfair labor practices -- South Africa , Unfair labor practices -- Nigeria
- Language: English
- Type: Thesis , Masters , LLM
- Identifier: vital:10270 , http://hdl.handle.net/10948/d1012054 , Discrimination in employment -- Law and legislation -- South Africa , Discrimination in employment -- Law and legislation -- Nigeria , Unfair labor practices -- South Africa , Unfair labor practices -- Nigeria
- Description: Issues concerning employment are some of the most serious issues of our time. But it is in the last two decades or so that these started receiving consideration. For instance, South Africa has experienced changes in the landscape of employment relations in organisations in the last decades. And no area of South Africa law is more critical than the prohibition of unfair discrimination, especially in the workpalce. The enactment of the Constitution brought about the need to eradicate unfair discrimination in the workpalce. Section 9 of the Constitution states that no person may unfairly discriminate directly or indirectly against anyone and that national legislation must be enacted to prevent or prohibit unfair discrimination. To enforce this, certain legislations like the Labour Law Act, Employment Act, Promotion of Equality and Prohibition of Unfair Discrimination Act (Equality Act), were enacted to give effect to the equality provision of the Constitution. In a similar vein, in Nigeria, workplace discrimination which is at the top of human rights violation perpetrated by employers of labour is of paramount concern to legislators and the government. Sex , age, ethinicty, religion, trade union membership and political opinion are some of the grounds upon which workers may not be discriminated against in Nigeria. Section 17 of the Constitution states that the State social order is founded on the ideals of freedom, equality and justice. It goes on to provide that every citizen shall have equality of rights, obligations and opportunities before the law. More specifically, the section stipilates that the State shall ensure that all citizens, without discrimination of any group whatsoever, have the opportunity of livehood as well as adequate opportunity to secure suitable employment and that there is equal pay for equal work without discrimination on account of sex, or any ground. Hence, there are The Nigerian Labour Act, the Federal Character Commission, etc that are saddled with the responsibility of addressing unfair discrimination and giving force to the provision of the Constitution. Despite the anti-discrimination laws and provisions made available in both countries, it is still alarming to see that unfair discrimination in the workplace is still on the increase. This, as will be discussed later, is probably due to factors such as lack of communication, long-stading patterns of educational inequalities that have resulted in inequalities in manpower, differences in drive, motivation, cultural disposition and geographical opportunities, racial difference and ethnicity, domination of one group by the other, etc. This research will briefly focus on the comparison between the approaches to unfair discrimination in employment between South Africa and Nigeria. It will discuss the development of unfair discrimination, grounds on which it is perpetrated, defences relating to unfair discrimination, and anti-discrimination laws put in place by the two jurisdictions to curb discrimination, as well as suggest on how to forestall unfair discrimination.
- Full Text:
- Date Issued: 2012
- Authors: Odeyemi, Hannah Olubunmi
- Date: 2012
- Subjects: Discrimination in employment -- Law and legislation -- South Africa , Discrimination in employment -- Law and legislation -- Nigeria , Unfair labor practices -- South Africa , Unfair labor practices -- Nigeria
- Language: English
- Type: Thesis , Masters , LLM
- Identifier: vital:10270 , http://hdl.handle.net/10948/d1012054 , Discrimination in employment -- Law and legislation -- South Africa , Discrimination in employment -- Law and legislation -- Nigeria , Unfair labor practices -- South Africa , Unfair labor practices -- Nigeria
- Description: Issues concerning employment are some of the most serious issues of our time. But it is in the last two decades or so that these started receiving consideration. For instance, South Africa has experienced changes in the landscape of employment relations in organisations in the last decades. And no area of South Africa law is more critical than the prohibition of unfair discrimination, especially in the workpalce. The enactment of the Constitution brought about the need to eradicate unfair discrimination in the workpalce. Section 9 of the Constitution states that no person may unfairly discriminate directly or indirectly against anyone and that national legislation must be enacted to prevent or prohibit unfair discrimination. To enforce this, certain legislations like the Labour Law Act, Employment Act, Promotion of Equality and Prohibition of Unfair Discrimination Act (Equality Act), were enacted to give effect to the equality provision of the Constitution. In a similar vein, in Nigeria, workplace discrimination which is at the top of human rights violation perpetrated by employers of labour is of paramount concern to legislators and the government. Sex , age, ethinicty, religion, trade union membership and political opinion are some of the grounds upon which workers may not be discriminated against in Nigeria. Section 17 of the Constitution states that the State social order is founded on the ideals of freedom, equality and justice. It goes on to provide that every citizen shall have equality of rights, obligations and opportunities before the law. More specifically, the section stipilates that the State shall ensure that all citizens, without discrimination of any group whatsoever, have the opportunity of livehood as well as adequate opportunity to secure suitable employment and that there is equal pay for equal work without discrimination on account of sex, or any ground. Hence, there are The Nigerian Labour Act, the Federal Character Commission, etc that are saddled with the responsibility of addressing unfair discrimination and giving force to the provision of the Constitution. Despite the anti-discrimination laws and provisions made available in both countries, it is still alarming to see that unfair discrimination in the workplace is still on the increase. This, as will be discussed later, is probably due to factors such as lack of communication, long-stading patterns of educational inequalities that have resulted in inequalities in manpower, differences in drive, motivation, cultural disposition and geographical opportunities, racial difference and ethnicity, domination of one group by the other, etc. This research will briefly focus on the comparison between the approaches to unfair discrimination in employment between South Africa and Nigeria. It will discuss the development of unfair discrimination, grounds on which it is perpetrated, defences relating to unfair discrimination, and anti-discrimination laws put in place by the two jurisdictions to curb discrimination, as well as suggest on how to forestall unfair discrimination.
- Full Text:
- Date Issued: 2012
A comparative study on the sensitive detection of hydroxyl radical using thiol-capped CdTe and CdTe/ZnS quantum dots
- Adegoke, Oluwasesan, Nyokong, Tebello
- Authors: Adegoke, Oluwasesan , Nyokong, Tebello
- Date: 2012
- Subjects: To be catalogued
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/242778 , vital:51077 , xlink:href="https://doi.org/10.1007/s10895-012-1089-2"
- Description: Four types of water-soluble luminescent quantum dots (QDs) whose surface was functionlaized with thioglycolic acid (TGA), 3-mercaptopropionic acid (MPA), or glutathione (GSH), were investigated for the sensitive and selective detection of hydroxyl radical (●OH) in aqueous media. It was found that the type of capping agent and QD influenced the sensitivity of the probe. The order of sensitivity of the probe was: GSH-CdTe@ZnS > MPA-CdTe@ZnS > TGA-CdTe > MPA-CdTe QDs. Under the optimum conditions, a limit of detection as low as 8.5 × 10-8 M was obtained using GSH-CdTe@ZnS. The effects of foreign reactive oxygen species and the Fenton reactants and products as possible interferences on the proposed probe were negligible for CdTe@ZnS QDs. Besides, experimental results indicated that CdTe@ZnS QDs were more attractive for the selective recognition of ●OH than CdTe QDs. The mechanistic reaction pathway between the QDs and ●OH is proposed.
- Full Text:
- Date Issued: 2012
- Authors: Adegoke, Oluwasesan , Nyokong, Tebello
- Date: 2012
- Subjects: To be catalogued
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/242778 , vital:51077 , xlink:href="https://doi.org/10.1007/s10895-012-1089-2"
- Description: Four types of water-soluble luminescent quantum dots (QDs) whose surface was functionlaized with thioglycolic acid (TGA), 3-mercaptopropionic acid (MPA), or glutathione (GSH), were investigated for the sensitive and selective detection of hydroxyl radical (●OH) in aqueous media. It was found that the type of capping agent and QD influenced the sensitivity of the probe. The order of sensitivity of the probe was: GSH-CdTe@ZnS > MPA-CdTe@ZnS > TGA-CdTe > MPA-CdTe QDs. Under the optimum conditions, a limit of detection as low as 8.5 × 10-8 M was obtained using GSH-CdTe@ZnS. The effects of foreign reactive oxygen species and the Fenton reactants and products as possible interferences on the proposed probe were negligible for CdTe@ZnS QDs. Besides, experimental results indicated that CdTe@ZnS QDs were more attractive for the selective recognition of ●OH than CdTe QDs. The mechanistic reaction pathway between the QDs and ●OH is proposed.
- Full Text:
- Date Issued: 2012
A comparative study of the language, mathematics and science literacy knowledge and skills of grade 9 learners in secondary schools in Port Elizabeth
- Authors: Arnolds, Keith Victor
- Date: 2012
- Subjects: Educational tests and measurements -- South Africa -- Port Elizabeth , Comparative education , Language and languages -- Study and teaching -- South Africa -- Port Elizabeth , Mathematics -- Study and teaching -- South Africa -- Port Elizabeth , Science -- Study and teaching -- South Africa -- Port Elizabeth , Education, Secondary -- South Africa -- Port Elizabeth
- Language: English
- Type: Thesis , Doctoral , DEd
- Identifier: vital:9566 , http://hdl.handle.net/10948/d1016062
- Description: In South Africa, on-going concerns surrounding the development of learners’ literacy, mathematics and science skills are evident and drive various research studies in this field. International studies and assessments, such as the Trends in International Mathematics and Science Study (TIMSS) and the Progress in International Reading Literacy Study (PIRLS) show major differences in the proficiency levels of learners in South Africa in comparison with their international counter parts. To date, however, the more comprehensive international standardised assessment called the Programme for International Student Assessment (PISA), has not been administered in South Africa. The main aim of this research study was to investigate and scientifically explore the real situation in terms of language, mathematics and science literacy knowledge and skills of Grade 9 learners in South Africa and to draw a comparison between Grade 9 learners from secondary schools in the Port Elizabeth district in South Africa and their international counterparts, using the PISA standardised international assessment. In addition, the aim of the study was to determine the actual language, mathematics and science literacy skills and knowledge acquired by participants in this study. Quantitative data collection was done by administering a modified version of the Program for International Student Assessment (PISA) to learners from eight schools in Port Elizabeth, supplemented with questionnaires completed by participating learners and school principals. Findings revealed that the South African learners sampled, ranked in the bottom percentile of participating countries in reading, mathematics and science. The study also exposed the glaring inequalities still prevalent in South African education today, 17 years into democracy. The implications point to a serious investigation into the societal and political factors responsible for the discrepancies in the South African educational system at present.
- Full Text:
- Date Issued: 2012
- Authors: Arnolds, Keith Victor
- Date: 2012
- Subjects: Educational tests and measurements -- South Africa -- Port Elizabeth , Comparative education , Language and languages -- Study and teaching -- South Africa -- Port Elizabeth , Mathematics -- Study and teaching -- South Africa -- Port Elizabeth , Science -- Study and teaching -- South Africa -- Port Elizabeth , Education, Secondary -- South Africa -- Port Elizabeth
- Language: English
- Type: Thesis , Doctoral , DEd
- Identifier: vital:9566 , http://hdl.handle.net/10948/d1016062
- Description: In South Africa, on-going concerns surrounding the development of learners’ literacy, mathematics and science skills are evident and drive various research studies in this field. International studies and assessments, such as the Trends in International Mathematics and Science Study (TIMSS) and the Progress in International Reading Literacy Study (PIRLS) show major differences in the proficiency levels of learners in South Africa in comparison with their international counter parts. To date, however, the more comprehensive international standardised assessment called the Programme for International Student Assessment (PISA), has not been administered in South Africa. The main aim of this research study was to investigate and scientifically explore the real situation in terms of language, mathematics and science literacy knowledge and skills of Grade 9 learners in South Africa and to draw a comparison between Grade 9 learners from secondary schools in the Port Elizabeth district in South Africa and their international counterparts, using the PISA standardised international assessment. In addition, the aim of the study was to determine the actual language, mathematics and science literacy skills and knowledge acquired by participants in this study. Quantitative data collection was done by administering a modified version of the Program for International Student Assessment (PISA) to learners from eight schools in Port Elizabeth, supplemented with questionnaires completed by participating learners and school principals. Findings revealed that the South African learners sampled, ranked in the bottom percentile of participating countries in reading, mathematics and science. The study also exposed the glaring inequalities still prevalent in South African education today, 17 years into democracy. The implications point to a serious investigation into the societal and political factors responsible for the discrepancies in the South African educational system at present.
- Full Text:
- Date Issued: 2012
A comparative study of masculinity in the Twilight films and selected teen dramas
- Theodosiou, Stephanie Nicole
- Authors: Theodosiou, Stephanie Nicole
- Date: 2012
- Subjects: Masculinity in motion pictures
- Language: English
- Type: Thesis , Masters , MA
- Identifier: vital:8425 , http://hdl.handle.net/10948/d1019976
- Description: This research paper aims to investigate the effect mainstream cinema has on the formulation and practice of the masculine stereotype in society, thus exploring the representations of masculinity being provided to males through mainstream cinema. This paper examines the representation of masculinity with reference to cinematic depictions of male masculinity produced in the film category of Teen Drama in the 90‘s/ 2000‘s and 2010 to determine the image the media enforces, through cinema, to influence what males modeled themselves on in both the past and present. This treatise shows the effect the media had on men in the past and how present day men continue to base their individual identity, which has been dramatically influenced and stereotyped by the high standards of the media, by analyzing the movie phenomenon of the Twilight franchise (1 to 3) with reference to Clueless (Amy Heckerling, 1995), 10 Things I hate About You (Gil Junger, 1999), Bring It On (Peyton Reed, 2000), John Tucker Must Die (Betty Thomas, 2006), Easy A (Will Gluck, 2010) and I am Number Four (D.J. Caruso, 2011) featured in the 90‘s/ 2000‘s and 2010. This was carried out through qualitative semiotic research to determine the overall influence the media, particularly mainstream cinema, has on the ideals of masculinity that heterosexual males seek to attain.
- Full Text:
- Date Issued: 2012
- Authors: Theodosiou, Stephanie Nicole
- Date: 2012
- Subjects: Masculinity in motion pictures
- Language: English
- Type: Thesis , Masters , MA
- Identifier: vital:8425 , http://hdl.handle.net/10948/d1019976
- Description: This research paper aims to investigate the effect mainstream cinema has on the formulation and practice of the masculine stereotype in society, thus exploring the representations of masculinity being provided to males through mainstream cinema. This paper examines the representation of masculinity with reference to cinematic depictions of male masculinity produced in the film category of Teen Drama in the 90‘s/ 2000‘s and 2010 to determine the image the media enforces, through cinema, to influence what males modeled themselves on in both the past and present. This treatise shows the effect the media had on men in the past and how present day men continue to base their individual identity, which has been dramatically influenced and stereotyped by the high standards of the media, by analyzing the movie phenomenon of the Twilight franchise (1 to 3) with reference to Clueless (Amy Heckerling, 1995), 10 Things I hate About You (Gil Junger, 1999), Bring It On (Peyton Reed, 2000), John Tucker Must Die (Betty Thomas, 2006), Easy A (Will Gluck, 2010) and I am Number Four (D.J. Caruso, 2011) featured in the 90‘s/ 2000‘s and 2010. This was carried out through qualitative semiotic research to determine the overall influence the media, particularly mainstream cinema, has on the ideals of masculinity that heterosexual males seek to attain.
- Full Text:
- Date Issued: 2012
A comparative polarimetric study of the 43 GHz and 86 GHz SiO masers toward the supergiant star VY CMa
- Authors: Richter, Laura
- Date: 2012
- Subjects: Masers Supergiant stars Polarization (Light) Very long baseline interferometry
- Language: English
- Type: Thesis , Doctoral , PhD
- Identifier: vital:5454 , http://hdl.handle.net/10962/d1005239
- Description: The aim of this thesis is to perform observational tests of SiO maser polarisation and excitation models, using component-level comparisons of multiple SiO maser transitions in the 43 GHz and 86 GHz bands at milliarcsecond resolution. These observations reqwre very long baseline interferometric imaging with very accurate polarimetric calibration. The supergiant star VY CMa was chosen as the object of this study due to its high SiO maser luminosity, many detected SiO maser lines, and intrinsic scientific interest. Two epochs of full-polarisation VLBA observations of VY CMa were performed. The Epoch 2 observations were reduced using several new data reduction methods developed as part of this work, and designed specifically to improve the accuracy of circular polarisation calibration of spectral-line VLBI observations at millimetre wavelengths. The accuracy is estimated to be better than 1% using these methods. The Epoch 2 images show a concentration of v= l and v=2 J= 1-0 SiO masers to the east and northeast of the assumed stellar position. The v=l J=2-1 masers were more evenly distributed around the star, with a notable lack of emission in the northeast. There is appreciable spatial overlap between these three lines. The nature of the overlap is generally consistent with the predictions of hydrodynamical circumstellar SiO maser simulations. Where the v=l J = 1-0 and J =2-1 features overlap, the v=l J = 2-1 emission is usually considerably weaker. This is not predicted by current hydrodynamical models, but can be explained in the context of collisional pumping in a low density environment. Six observational tests of weak-splitting maser polarisation models were performed, including intercomparisons of linear polarisation in the v=l J=1-0 and J=2-1lines, linear polarisation versus saturation level, linear polarisation versus distance from the star, circular polarisation in the v= l J = 1-0 and J=2-1 lines, circular versus linear polarisation and modeling of ~ 900 electric-vector position angle rotations. The polarisation model tests generally do not support non-Zeeman circular polarisation mechanisms. For the linear polarisation tests, the results are more consistent with models that predict similar linear polarisation across transitions. The scientific importance of these tests is described in detail and avenues for future work are described.
- Full Text:
- Date Issued: 2012
- Authors: Richter, Laura
- Date: 2012
- Subjects: Masers Supergiant stars Polarization (Light) Very long baseline interferometry
- Language: English
- Type: Thesis , Doctoral , PhD
- Identifier: vital:5454 , http://hdl.handle.net/10962/d1005239
- Description: The aim of this thesis is to perform observational tests of SiO maser polarisation and excitation models, using component-level comparisons of multiple SiO maser transitions in the 43 GHz and 86 GHz bands at milliarcsecond resolution. These observations reqwre very long baseline interferometric imaging with very accurate polarimetric calibration. The supergiant star VY CMa was chosen as the object of this study due to its high SiO maser luminosity, many detected SiO maser lines, and intrinsic scientific interest. Two epochs of full-polarisation VLBA observations of VY CMa were performed. The Epoch 2 observations were reduced using several new data reduction methods developed as part of this work, and designed specifically to improve the accuracy of circular polarisation calibration of spectral-line VLBI observations at millimetre wavelengths. The accuracy is estimated to be better than 1% using these methods. The Epoch 2 images show a concentration of v= l and v=2 J= 1-0 SiO masers to the east and northeast of the assumed stellar position. The v=l J=2-1 masers were more evenly distributed around the star, with a notable lack of emission in the northeast. There is appreciable spatial overlap between these three lines. The nature of the overlap is generally consistent with the predictions of hydrodynamical circumstellar SiO maser simulations. Where the v=l J = 1-0 and J =2-1 features overlap, the v=l J = 2-1 emission is usually considerably weaker. This is not predicted by current hydrodynamical models, but can be explained in the context of collisional pumping in a low density environment. Six observational tests of weak-splitting maser polarisation models were performed, including intercomparisons of linear polarisation in the v=l J=1-0 and J=2-1lines, linear polarisation versus saturation level, linear polarisation versus distance from the star, circular polarisation in the v= l J = 1-0 and J=2-1 lines, circular versus linear polarisation and modeling of ~ 900 electric-vector position angle rotations. The polarisation model tests generally do not support non-Zeeman circular polarisation mechanisms. For the linear polarisation tests, the results are more consistent with models that predict similar linear polarisation across transitions. The scientific importance of these tests is described in detail and avenues for future work are described.
- Full Text:
- Date Issued: 2012
A comparative analysis of the enforcement of market abuse provisions
- Authors: Chitimira, Howard
- Date: 2012
- Subjects: Corporation law -- South Africa , Insider trading in securities -- South Africa , Securities -- South Africa , Efficient market theory , Securities fraud
- Language: English
- Type: Thesis , Doctoral , LLD
- Identifier: vital:10240 , http://hdl.handle.net/10948/d1015008
- Description: Market abuse practices may directly or indirectly give rise to diverse problems such as inaccurate stock market prices, low public investor confidence, reduced market integrity and poor efficiency in the affected financial markets. This thesis reveals that three major forms of market abuse, namely insider trading, prohibited trading practices (trade-based market manipulation) and the making or publication of false, misleading or deceptive statements, promises and forecasts relating to listed securities (disclosure-based market manipulation) are prohibited in South Africa. However, although South Africa has had market abuse legislation for about 30 years, and must be commended for its great effort to enhance market integrity by combating market abuse practices, the enforcement of such legislation is still problematic. Moreover, in spite of the fact that there is no empirical data or accurate figures quantifying the occurrence and extent of market abuse activities in the South African financial markets, this thesis submits that market abuse practices are still to be completely eradicated. Accordingly, this thesis suggests that the aforementioned problem might have been aggravated by inter alia, various gaps, flaws and/or inconsistent implementation and enforcement of the market abuse legislation in South Africa. To this end, the anti-market abuse enforcement framework under the Securities Services Act 36 of 2004 is analysed to investigate its adequacy. The co-operation and role of the Financial Services Board, the courts, the Directorate of Market Abuse and other relevant stakeholders is also examined and discussed. Moreover, the co-operation between the Financial Services Board and similar international agencies is discussed to gauge its effectiveness in relation to the combating of cross-border market abuse practices. The adequacy of the awareness and preventative measures in place to curb market abuse practices is also investigated to determine whether such measures are robust enough to combat other new challenges that were posed by the 2007 to 2009 global financial crisis. Furthermore, a comparative analysis is undertaken of the enforcement of the market abuse prohibition in other jurisdictions, namely the United States of America, the United Kingdom, the European Union and Australia. This was done to investigate the relevant lessons that can be learnt or adopted from these jurisdictions. The thesis further discusses the adequacy of the recently introduced provisions of the Financial Markets Bill as well as the subsequent market abuse provisions of the Financial Markets Bill 2012. The thesis highlights that the aforementioned Bills are positive attempts by the policy makers to improve the enforcement of the market abuse provisions in South Africa. Nonetheless, the thesis reveals that most of the shortcomings contained in the Securities Services Act 36 of 2004 were duplicated in the Financial Markets Bill and the Financial Markets Bill 2012. In light of this, it remains to be seen whether the market abuse provisions contained in the Financial Markets Bill and/or the Financial Markets Bill 2012 will improve the combating of market abuse practices in South Africa. Consequently, it is hoped that the relevant market abuse provisions of the Securities Services Act 36 of 2004, the Financial Markets Bill and/or the Financial Markets Bill 2012 will be comprehensively reviewed in regard to the recommendations made in this thesis. To this end, the thesis proposes a viable anti-market abuse model and policy framework and sets out both policy objectives and provisions which policy makers could use to strengthen some of the market abuse provisions in South Africa.
- Full Text:
- Date Issued: 2012
- Authors: Chitimira, Howard
- Date: 2012
- Subjects: Corporation law -- South Africa , Insider trading in securities -- South Africa , Securities -- South Africa , Efficient market theory , Securities fraud
- Language: English
- Type: Thesis , Doctoral , LLD
- Identifier: vital:10240 , http://hdl.handle.net/10948/d1015008
- Description: Market abuse practices may directly or indirectly give rise to diverse problems such as inaccurate stock market prices, low public investor confidence, reduced market integrity and poor efficiency in the affected financial markets. This thesis reveals that three major forms of market abuse, namely insider trading, prohibited trading practices (trade-based market manipulation) and the making or publication of false, misleading or deceptive statements, promises and forecasts relating to listed securities (disclosure-based market manipulation) are prohibited in South Africa. However, although South Africa has had market abuse legislation for about 30 years, and must be commended for its great effort to enhance market integrity by combating market abuse practices, the enforcement of such legislation is still problematic. Moreover, in spite of the fact that there is no empirical data or accurate figures quantifying the occurrence and extent of market abuse activities in the South African financial markets, this thesis submits that market abuse practices are still to be completely eradicated. Accordingly, this thesis suggests that the aforementioned problem might have been aggravated by inter alia, various gaps, flaws and/or inconsistent implementation and enforcement of the market abuse legislation in South Africa. To this end, the anti-market abuse enforcement framework under the Securities Services Act 36 of 2004 is analysed to investigate its adequacy. The co-operation and role of the Financial Services Board, the courts, the Directorate of Market Abuse and other relevant stakeholders is also examined and discussed. Moreover, the co-operation between the Financial Services Board and similar international agencies is discussed to gauge its effectiveness in relation to the combating of cross-border market abuse practices. The adequacy of the awareness and preventative measures in place to curb market abuse practices is also investigated to determine whether such measures are robust enough to combat other new challenges that were posed by the 2007 to 2009 global financial crisis. Furthermore, a comparative analysis is undertaken of the enforcement of the market abuse prohibition in other jurisdictions, namely the United States of America, the United Kingdom, the European Union and Australia. This was done to investigate the relevant lessons that can be learnt or adopted from these jurisdictions. The thesis further discusses the adequacy of the recently introduced provisions of the Financial Markets Bill as well as the subsequent market abuse provisions of the Financial Markets Bill 2012. The thesis highlights that the aforementioned Bills are positive attempts by the policy makers to improve the enforcement of the market abuse provisions in South Africa. Nonetheless, the thesis reveals that most of the shortcomings contained in the Securities Services Act 36 of 2004 were duplicated in the Financial Markets Bill and the Financial Markets Bill 2012. In light of this, it remains to be seen whether the market abuse provisions contained in the Financial Markets Bill and/or the Financial Markets Bill 2012 will improve the combating of market abuse practices in South Africa. Consequently, it is hoped that the relevant market abuse provisions of the Securities Services Act 36 of 2004, the Financial Markets Bill and/or the Financial Markets Bill 2012 will be comprehensively reviewed in regard to the recommendations made in this thesis. To this end, the thesis proposes a viable anti-market abuse model and policy framework and sets out both policy objectives and provisions which policy makers could use to strengthen some of the market abuse provisions in South Africa.
- Full Text:
- Date Issued: 2012
A comparative analysis of factors affecting the purchasing decisions of cleaning rag buyers in the Eastern Cape
- Authors: Shearer, David Charcles
- Date: 2012
- Subjects: Purchasing -- Decision making , Consumer behavior -- South Africa -- Eastern Cape
- Language: English
- Type: Thesis , Masters , MBA
- Identifier: vital:8898 , http://hdl.handle.net/10948/d1020928
- Description: The objectives of this research project were to identify and compare factors that influence the purchasing decisions of Multifibres’ customers active in each channel. Multifibres manufactures and distributes industrial cleaning rags to three channels or client categories, these being industrial resellers, industrial end-users and the walk-in customers. An extensive literature review revealed that purchasing decisions are influenced by, amongst other factors, the buyer’s role, the internal cognitive processes of the buyer, as well as factors present in the buyer’s business and external environment. An empirical study was conducted utilising in-depth interviews. The most prevalent, emergent themes that buyers attached the greatest weight to when purchasing cleaning rags were: price; quality; service; relationships; and, convenience. These factors were probed, analysed and compared, based on each buyer category’s unique set of characteristics. When motivating their purchasing preferences, resellers emphasised the importance of the business relationship and trust as being paramount, while end-users viewed price and service as the most important factors. Walk-in customers valued the combination of price and convenience as the most important reasons influencing their purchasing decisions.
- Full Text:
- Date Issued: 2012
- Authors: Shearer, David Charcles
- Date: 2012
- Subjects: Purchasing -- Decision making , Consumer behavior -- South Africa -- Eastern Cape
- Language: English
- Type: Thesis , Masters , MBA
- Identifier: vital:8898 , http://hdl.handle.net/10948/d1020928
- Description: The objectives of this research project were to identify and compare factors that influence the purchasing decisions of Multifibres’ customers active in each channel. Multifibres manufactures and distributes industrial cleaning rags to three channels or client categories, these being industrial resellers, industrial end-users and the walk-in customers. An extensive literature review revealed that purchasing decisions are influenced by, amongst other factors, the buyer’s role, the internal cognitive processes of the buyer, as well as factors present in the buyer’s business and external environment. An empirical study was conducted utilising in-depth interviews. The most prevalent, emergent themes that buyers attached the greatest weight to when purchasing cleaning rags were: price; quality; service; relationships; and, convenience. These factors were probed, analysed and compared, based on each buyer category’s unique set of characteristics. When motivating their purchasing preferences, resellers emphasised the importance of the business relationship and trust as being paramount, while end-users viewed price and service as the most important factors. Walk-in customers valued the combination of price and convenience as the most important reasons influencing their purchasing decisions.
- Full Text:
- Date Issued: 2012