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Papaphotis, Georgios; Tsaparlis, Georgios – Chemistry Education Research and Practice, 2008
Part 1 of the findings are presented of a quantitative study (n = 125) on basic quantum chemical concepts taught in the twelfth grade (age 17-18 years) in Greece. A paper-and-pencil test of fourteen questions was used. The study compared performance in five questions that tested recall of knowledge or application of algorithmic procedures (type-A…
Descriptors: Foreign Countries, Grade 12, Statistical Analysis, Chemistry
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Papaphotis, Georgios; Tsaparlis, Georgios – Chemistry Education Research and Practice, 2008
Part 2 of the findings are presented of a quantitative study (n = 125) on basic quantum chemical concepts taught at twelfth grade (age 17-18 years) in Greece. A paper-and-pencil test of fourteen questions was used that were of two kinds: five questions that tested recall of knowledge or application of algorithmic procedures (type-A questions);…
Descriptors: Foreign Countries, Grade 12, Quantum Mechanics, Chemistry
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Merino, Cristian; Sanmarti, Neus – Chemistry Education Research and Practice, 2008
This paper analyses the perceptions of a group of children aged between 9 and 11 that emerge when they imagine a chemical change and explain it through drawings. Our investigation stems from broader research at primary school level, aimed at developing children's capacities to model changes in the structure of materials through stimulating the use…
Descriptors: Foreign Countries, Chemistry, Models, Freehand Drawing
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