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Malcolm, Stephen Andrew; Mavhunga, Elizabeth; Rollnick, Marissa – African Journal of Research in Mathematics, Science and Technology Education, 2019
Stoichiometry, which deals with the quantitative aspects of Chemistry, is a topic students find challenging and which teachers struggle to teach. South African students' performance in stoichiometry in the final matriculation examinations has led to calls for the topic to be taught better and highlighted the need for teacher professional…
Descriptors: Pedagogical Content Knowledge, Stoichiometry, Test Validity, Test Reliability
Mavhunga, Elizabeth; Rollnick, Marissa – African Journal of Research in Mathematics, Science and Technology Education, 2013
It is commonly accepted that Pedagogical Content Knowledge (PCK) has a topic-specific nature. However, its implementation in teacher education programmes has remained generic and tacit. This paper reports on an attempt to improve the quality of PCK in chemistry pre-service teachers in a specified topic--chemical equilibrium. By locating PCK at a…
Descriptors: Preservice Teachers, Pedagogical Content Knowledge, Chemistry, Science Instruction
Nakedi, Mpunki; Taylor, Dale; Mundalamo, Fhatuwani; Rollnick, Marissa; Mokeleche, Maebeebe – African Journal of Research in Mathematics, Science and Technology Education, 2012
Recently "Curriculum and Assessment Policy Statements" ("CAPS") were introduced in South Africa in response to confusion precipitated by previous curriculum documents. The purpose of this paper is to explore that confusion in the subject 'Physical Sciences' and consider the nature of the transformation from the previous…
Descriptors: Foreign Countries, Physical Sciences, Science Curriculum, Curriculum Development
Röhm, Dürten; Rollnick, Marissa – African Journal of Research in Mathematics, Science and Technology Education, 2010
This paper reports on the development of an instrument which was used to gather information on the views of science students on the social responsibility of scientists. The methodology is based on a "Views on Science-Technology-Society (VOSTS)" instrument which was developed in Canada. It involves three phases, employing interviews and…
Descriptors: Test Construction, Science Education, Student Attitudes, Social Responsibility