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Garvin-Doxas, Kathy; Klymkowsky, Michael W. – CBE - Life Sciences Education, 2008
While researching student assumptions for the development of the Biology Concept Inventory (BCI; http://bioliteracy.net), we found that a wide class of student difficulties in molecular and evolutionary biology appears to be based on deep-seated, and often unaddressed, misconceptions about random processes. Data were based on more than 500…
Descriptors: Molecular Biology, Misconceptions, Evolution, Scientific Concepts
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Zeineddin, Ava; Abd-El-Khalick, Fouad – EURASIA Journal of Mathematics, Science & Technology Education, 2008
This study examined the impact of two epistemic commitments on the quality of college students' scientific reasoning in the domain of hydrostatics. These were the commitment to the consistency of theory with prior knowledge and commitment to the consistency of theory with evidence. Participants were 12 sophomore science majors enrolled in a large…
Descriptors: College Students, Protocol Analysis, Prior Learning, Science Process Skills
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Cronje, J. C.; Fouche, J. – Computers & Education, 2008
While different approaches to evaluation will yield different results, depending on the purpose of the evaluation this article describes an evaluation approach that was aimed at investigation of the mental models of users of the programme. The study was driven by questions about the differences in mental models of the instructional designers and…
Descriptors: Science Instruction, Scientific Concepts, Energy, Evaluation Methods