Browsing by Author "Lemmer, Miriam"
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Analysis of South African Grade 10 learner's conceptual resources regarding the concept of energy in physics
Lemmer, Miriam (Taylor & Francis, 2011)More than a thousand Grade 10 Physical Science learners from four South African provinces participated in a study that probed their conceptions of energy. The purpose was to determine the learners’ conceptual resources, ... -
Educators' selection and evaluation of natural sciences textbooks
Lemmer, Miriam; Edwards, Jo-Anne; Rapule, Sello (Education Association of South Africa (EASA), 2008)Due to the central role of textbooks in the teaching and learning of science, it is imperative that textbooks provide correct content and instructional support. We investigated how 16 South African Grade 7 natural science ... -
First year physics students' abilities and difficulties in solving kinematics problems in various contexts
Ferreira, Annalize; Lemmer, Miriam; Breytenbach, Wilma (UNISA, 2014)The topic of students’ application of conceptual knowledge in physics is constantly being researched. It is a common occurrence that students are able to solve numerical problems without understanding the concepts involved. ... -
Nature, cause and effect of students' intuitive conceptions regarding changes in velocity
Lemmer, Miriam (Taylor & Francis, 2013)Perceptions of observed phenomena play an important role in information processing and are integral to learning. Unfortunately students’ perceptions based on their everyday-life observations often do not correlate with ...