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Tarekegn, Getachew; Alemu, Mekbib; Taddesse, Mesfin; Kind, Per M. – African Journal of Research in Mathematics, Science and Technology Education, 2020
In physics education, assessments address various forms of scientific knowledge. Most of the existing test instruments emphasise the assessment of content knowledge. These tests fail to measure the epistemic aspects of science. Thus, assessing epistemic knowledge is a theme that demands investigation. This study applies Rasch analysis to help…
Descriptors: Science Teachers, Knowledge Level, Energy, Magnets
Dega, Bekele Gashe; Govender, Nadaraj – African Journal of Research in Mathematics, Science and Technology Education, 2016
This study compares the scientific and alternative conceptions of energy and momentum of university first-year science students in Ethiopia and the US. Written data were collected using the Energy and Momentum Conceptual Survey developed by Singh and Rosengrant. The Concentration Analysis statistical method was used for analysing the Ethiopian…
Descriptors: Foreign Countries, Comparative Education, Energy, Motion