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The purpose of this study is to focus on constructing a modelling-based learning environment to improve learner performance in grade 6 mathematics classrooms. The purpose emanates from the continued poor performance of learners in mathematics at different school levels, especially grade 6. The teaching and learning of mathematics is explained from an ontological point of departure, focussing on constructivist paradigms. Different types of constructivism are discussed with special attention to the school mathematics domain. The learning, problem based learning, problem solving and learning environment are key components in the discussion. A theoretical perspective on the design of modelling as a powerful learning environment in primary schools mathematics classrooms is provided. Focus is placed on the applicability of the modelling-based learning environment on the South African mathematics curriculum and on study orientation as a key component to help develop an understanding of why learners perform or do not perform in mathematics. A mixed method research design, in which quantitative and qualitative are combined to achieve the outcomes of the research problem, is chosen for this research study project to provide a purposeful research framework. The findings of the research include not only learners’ improvement in dealing with non-routine, mathematical word problems but also in general-routine, mathematical word problems. A second finding shows that the overall SOM pre/post/retention showed good reliability, acceptable construct validity, good practical significance, and large effect but had low to medium effect in individual fields. The univariate analysis for the Crossover design used indicated that the problem solving field had statistical significance and practical significance, and the study milieu and mathematical confidence field might have statistical significance and practical significance. The third finding provided evidence concerning teacher administration, teacher and learner interaction, assessment and homework. The findings from the quantitative and qualitative data-analysis and interpretations, and literature review, guided the researcher in proposing a construct for a modelling-based learning environment as a means to improve learners’ mathematics performance in grade 6 mathematics classes in the John Toalo Gaetswe (JTG) District. The contribution that this study makes is to propose a construct for a modelling-based learning environment to improve learner performance in grade 6 mathematics. / PhD (Mathematics Education), North-West University, Potchefstroom Campus, 2014

The purpose of this study is to focus on constructing a modelling-based learning environment to improve learner performance in grade 6 mathematics classrooms. The purpose emanates from the continued poor performance of learners in mathematics at different school levels, especially grade 6. The teaching and learning of mathematics is explained from an ontological point of departure, focussing on constructivist paradigms. Different types of constructivism are discussed with special attention to the school mathematics domain. The learning, problem based learning, problem solving and learning environment are key components in the discussion. A theoretical perspective on the design of modelling as a powerful learning environment in primary schools mathematics classrooms is provided. Focus is placed on the applicability of the modelling-based learning environment on the South African mathematics curriculum and on study orientation as a key component to help develop an understanding of why learners perform or do not perform in mathematics. A mixed method research design, in which quantitative and qualitative are combined to achieve the outcomes of the research problem, is chosen for this research study project to provide a purposeful research framework. The findings of the research include not only learners’ improvement in dealing with non-routine, mathematical word problems but also in general-routine, mathematical word problems. A second finding shows that the overall SOM pre/post/retention showed good reliability, acceptable construct validity, good practical significance, and large effect but had low to medium effect in individual fields. The univariate analysis for the Crossover design used indicated that the problem solving field had statistical significance and practical significance, and the study milieu and mathematical confidence field might have statistical significance and practical significance. The third finding provided evidence concerning teacher administration, teacher and learner interaction, assessment and homework. The findings from the quantitative and qualitative data-analysis and interpretations, and literature review, guided the researcher in proposing a construct for a modelling-based learning environment as a means to improve learners’ mathematics performance in grade 6 mathematics classes in the John Toalo Gaetswe (JTG) District. The contribution that this study makes is to propose a construct for a modelling-based learning environment to improve learner performance in grade 6 mathematics. / PhD (Mathematics Education), North-West University, Potchefstroom Campus, 2014

Legislators are placing increased pressure on mining companies to improve their safety performance. The importance of safety leadership is highlighted by its role in safety culture and improving safety performance. The aim of this study was to develop and evaluate the impact of a coaching program on safety leadership. The main constructs namely safety culture, safety leadership and coaching was conceptualised along the humanistic paradigm, with theoretical definitions and models. In this study, safety culture is employees’ shared attitudes, beliefs, perceptions and values about safety that affect their behaviour in the workplace. Safety leadership is the interpersonal influence that a leader exercises to achieve the organisation’s safety performance goals. Coaching is an interpersonal interaction that aims to improve individual performance through increased selfawareness and action plans. A theoretical model was developed to explain the elements that constitute effective safety leadership. A coaching program was developed based on executive coaching and leadership development principles. The empirical investigation was conducted in an organisation in the South African mining industry. A nested mixed methods design was followed. In the quantitative study, a 360 degree survey was employed to assess the ratings of a purposive sample (n=54) along eight dimensions before and after the coaching. Data was analysed with descriptive and inferential analysis. Results showed statistically significant improvements on accountability, collaboration, and feedback and recognition after the coaching. The results reflected differences in 360 degree ratings according to gender, race, job level, age and geographical location. The most significant improvements were for females, Africans, management, age 51-60 years, and site 2. In the qualitative study, a semi-structured interview was employed to study four cases to investigate managers’ personal experiences and changes in attitude toward safety. Data was analysed utilising thematic analysis. The findings revealed that coaching was a positive experience and contributed to changing managers’ attitudes toward safety. The research added to the field of organisational behaviour by presenting a theoretical model that enhances the understanding of safety leadership, the development of a coaching program and providing empirical evidence that the principles of coaching and leadership development can be applied to improve safety leadership. / Industrial & Organisational Psychology / D. Admin. (Industrial and Organisational Psychology)

The study was necessitated by the fact that the throughput rates of accounting students studying at distance learning institutions in South Africa are disturbingly low when compared to students studying at residential universities. Bearing in mind the magnitude of the University of South Africa’s (Unisa’s) market share of accounting students in South Africa, it was pivotal to comprehend the unique challenges related to retention and throughput of these students. This thesis reports on a case study of the use of mobile phones in an Accounting module by applying the theories of didactic conversation and transactional distance to understand the retention and throughput rates of the Accounting students in an open distance learning (ODL) environment. Considering the landscape of accounting education in South Africa, the specific challenges faced by accounting students at Unisa and the recent scholarly discourse on retention and throughput of distance education students, this study contributes to the limited theoretical understanding of students’ retention and throughput rates in an Accounting module at Unisa. This theoretical understanding has been obtained through combining the transactional distance theory of Moore (1973) and the didactic conversation of Holmberg (1982) in a single conceptual framework. By applying this framework, this thesis makes an original contribution to the deepening understanding of the retention and throughput rates of accounting students in an ODL environment. The study has shown that retention and throughput rates can be improved through the lessening of the transactional distance between facilitator and student and by improving the quality and extent of the two-way didactic conversation in the learning process. To this effect, the study provided empirical evidence of the successful use of various complementing technology interventions, suitable for accounting students with time constraints, to enhance the learning process. / Management Accounting / D. Com.

To advance social work practice and decrease the research practice gap, this dissertation followed a model development paradigm consisting of several phases. Based on the task-centered model of social work practice and motivational interviewing, a new combined model was construed. The two underlying models were analyzed and synthesized, using technical eclecticism as the integrative approach. The resulting combined model was described by guidelines and manualized. To test the combined model in an applied setting, a study was designed in collaboration with social workers at a substance abuse counseling center. There, the combined model intervention was implemented in an outpatient medication assisted treatment program dispensing methadone and buprenorphine to a mainly African-American population. The agency program aimed at detoxification, but also provided methadone maintenance. It offered additional groups and acupuncture. Ten clients and four social work practitioners participated in the intervention study. The study used a mixed-method approach in data collection and analysis. Client practitioner verbal interaction was recorded using digital audio recording. The digital audio files were loaded directly into Atlas.ti software to be used for analysis. Qualitative data analysis with Atlas.ti was performed for two research tasks, a) assessing implementation fidelity of the manual based intervention and b) exploring model development aspects to improve model guidelines. Treatment fidelity was analyzed through deductive coding and frequency counts. Model development analysis was performed similar to a grounded theory model and used content analysis and constant comparison methodologies. Addiction Severity Index and Readiness Ruler, urine drug screens, problem change, and task accomplishment ratings were used as quantitative outcome measures to produce time series data in order to chart individual case progress in a single system design. After testing the intervention, a focus group with participating practitioners was conducted. Overall beneficence with clients improving and progressing successfully in the program was found. The integration of the underlying models was deemed successful. Their elements were found to be complementary and intricately linked. Crucial for successful implementation is that the program environment supports and accepts client choices. Model guidelines were reviewed and improved for further field testing.

To date, there has been little, if any, holistic evaluation of one of the BankSETA programmes that bank employees are nominated to attend, the Certificate in Management Development (CMD). The programme began in 2010 with the aim of increasing the pool of skills in entry-level management occupations in the banking and micro-finance sector (BankSETA, 2016). In order to verify whether the CMD programme has achieved the purpose for which it was instituted by the BankSETA, it is important that a programme evaluation be conducted. The main aim of this study was to undertake a holistic evaluation of the CMD programme to determine students’ perceptions, their increase in knowledge, their ability to apply on-the-job learning and the impact of the programme on the organisation. It also aimed to identify any barriers or obstacles and to provide recommendations to the BankSETA. Kirkpatrick’s (1996) four-level model of reaction, learning, behaviour and results was used as the theoretical framework for this study. A convergent parallel design was used to gather and analyse the data. The convergent design allowed the researcher to use quantitative and qualitative data-collection methods simultaneously, prioritising the methods equally and keeping each phase independent during analysis, and to then mix the results during the overall interpretation of the findings. The findings of this study highlight the importance of programme evaluation and how indispensable this practice is to the success of any programme. Even though positive results were conveyed at every phase of the study, there are certain areas that can be improved upon in order to maximise the outcomes of the CMD programme. / Business Management / M. Com. (Business Management)

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