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Zenger, Tim; Bitzenbauer, Philipp – Science Education International, 2022
This article reports on the development and piloting of a German version of a concept test to assess students' conceptual knowledge of density. The concept test was administered in paper-pencil format to 222 German secondary school students as a post-test after instruction in all relevant concepts of density. We provide a psychometric…
Descriptors: Foreign Countries, Secondary School Students, Concept Formation, Psychometrics