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Download full textKaronen, Maarit; Murtonen, Mari; Södervik, Ilona; Manninen, Marianna; Salomäki, Mikko – Education Sciences, 2021
Understanding chemical models can be challenging for many university students studying chemistry. This study analysed students' understanding of molecular structures using the Lewis structure as a model, and examined what hinders their understanding. We conducted pre- and post-tests to analyse students' conceptions and changes in them. The…
Descriptors: Heuristics, Problem Solving, Molecular Structure, College Students
Direct linkKesonen, M. H. P.; Asikainen, M. A.; Hirvonen, P. E. – European Journal of Physics, 2011
This study focuses on students' conceptions of electric and magnetic fields at university level and of the interrelations between them. A total of 33 students participated in a paper and pencil test after the completion of first-year electricity and second-year electromagnetism courses. The conceptions were investigated in the contexts of a…
Descriptors: Optics, Science Instruction, College Science, Scientific Concepts
