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Adadan, Emine; Savasci, Funda – International Journal of Science Education, 2012
This study focused on the development of a two-tier multiple-choice diagnostic instrument, which was designed and then progressively modified, and implemented to assess students' understanding of solution chemistry concepts. The results of the study are derived from the responses of 756 Grade 11 students (age 16-17) from 14 different high schools…
Descriptors: Chemistry, Grade 11, Scientific Concepts, Comprehension