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Evaluating Students' Conceptual Understanding of Isomers Based on a Four-Tier Diagnostic Tool in Upper Secondary Schools
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Min Wu; Peiyao Tian; Daner Sun; Dan Feng; Ma Luo – International Journal of Science and Mathematics Education, 2025
This study aimed to develop a comprehensive diagnostic tool for assessing upper-secondary school students' understanding of isomers, expanding upon existing two- and three-tier conceptual diagnostic methods. By incorporating 'Confidence Rating Factor' tiers within the answer and reason sections, a four-tier test was designed and developed. This…
Descriptors: Secondary School Science, High School Students, Scientific Concepts, Science Tests