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Pilcher, Lynne A.; Potgieter, Marietjie; Fletcher, Lizelle – African Journal of Research in Mathematics, Science and Technology Education, 2023
The logistics and cost of running large class tutorials to improve learning for students in high enrolment courses raise questions about whether the associated effort and cost are worthwhile. The option to replace these class activities with online homework with its promise of built-in feedback is attractive. Using an activity theory lens and an…
Descriptors: Educational Technology, Technology Uses in Education, Homework, Large Group Instruction
Mundy, Christine; Potgieter, Marietjie – African Journal of Research in Mathematics, Science and Technology Education, 2019
In this study, action research was used over two years to refine the implementation of process-oriented guided inquiry learning for chemistry students in an academic development programme at a research-intensive South African university. Students' responses to guided inquiry were collected based on a three-pillar framework underpinned by cognitive…
Descriptors: Inquiry, Active Learning, Chemistry, Foreign Countries
Engelbrecht, Johann; Harding, Ansie; Potgieter, Marietjie – African Journal of Research in Mathematics, Science and Technology Education, 2014
Academic development (AD) programmes for students not complying with the entrance requirements of mainstream programmes in science have been running at a number of universities in South Africa. In this study we contribute to the debate on criteria for the success of AD programmes, specifically in the context of research-intensive universities in…
Descriptors: Foreign Countries, Undergraduate Students, Research Universities, College Science
Retief, Liezel; Potgieter, Marietjie; Lutz, Marietjie – African Journal of Research in Mathematics, Science and Technology Education, 2013
In this paper the use of the Rasch model is explored as a transparent, systematic and theoretically underpinned response to quality issues that are widely recognised as problematic in the refinement of Likert scale questionnaires. Key issues are the choice of length of scale, the pursuit of a favourable estimate of Cronbach's alpha at the possible…
Descriptors: Item Response Theory, Test Construction, Likert Scales, Questionnaires