3. Electronic Theses and Dissertations (ETDs) - All submissions
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Item An illuminative evaluation of a prosthodontic curriculum.(2012-03-08) Moipolai, Pusetso DineoAn illuminative evaluation of the final year prosthodontic component of the Oral Health Science curriculum (OHSC 501 Component 1) at the University of the Witwatersrand, Johannesburg, South Africa was conducted. This evaluation method was employed to illustrate how an evaluation strategy was used to assess classroom practices following institutional curriculum reform. The aim was to use a qualitative evaluation process to assess the impact of the curriculum change at classroom level and to evaluate how a department had reformed its’ teaching and learning strategies within the hybrid problem based learning curriculum that had been implemented. Additionally, it was to evaluate how this curriculum operated in its own terms. From July through October 2007 small group teaching involving problem based learning, led by two faculty from the department of prosthodontics were observed. Six two hour long small group sessions (equivalent to twelve forty minute lessons), were observed and they revealed a variety of pedagogic strategies utilised. The plan, as outlined in the instructional system was held up against the reality through observations of what happened in the classroom. By and large the findings illustrate that much of what was planned was realised, with the more experienced staff member teaching more or less to the plan. However, from the themes that were inductively derived from analysis of the data, it was clear that integration of content knowledge and critical thinking necessary to assist in the comprehensive management of dental patients was not as robust as would be expected from the students at this level during their training. As part of the objectives of the curriculum innovation instituted, content knowledge integration and critical thinking skills are key to the success of the innovation and employing illuminative evaluation methodology afforded the opportunity to delve deeper into these. This finding illustrates the importance of using qualitative evaluation approaches as a mechanism to assess curriculum change efforts.Item Affording or constraining epistemological access: An analysis of a case-based approach in a first year process and materials engineering course.(2006-11-14T11:52:07Z) Kotta, Linda ThokozileThe focus of this study was a case-based approach used in the first year course Introduction to Process and Materials Engineering, PRME1002, at the University of the Witwatersrand in 2005. This approach attempted to promote epistemic access to Process and Materials Engineering by moving away from the more traditional decontextualised and contrived engineering problems and introducing context-rich cases entailing more authentic engineering problems. The study investigated the extent to which the context rich problem-solving environment afforded the students epistemic access to Process and Materials Engineering. This was done through an analysis of the form and content of students’ knowledge and problem-solving skills as evidenced in their written responses to case-based problems. A modified form of the Structure of Learning Outcomes (SOLO) taxonomy was used as the instrument of analysis. The research showed that students tended to work in fragmented ways despite the context. They tended not to fully explore the context and as such could not successfully identify the salient aspects. They frequently ignored evidence in the context and invented their own in order to be able to use strategies that they were most familiar with. These findings suggest that that while the case-based approach introduced in the course, theoretically has the hallmarks of an ideal approach with which to create a favourable environment for learning, if students treat knowledge as fragmented and aren’t persuaded by the context to change their ways of working, the case-based approach does not afford students optimal epistemological access.