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Direct linkHerrmann-Abell, Cari F.; DeBoer, George E. – Chemistry Education Research and Practice, 2011
Distractor-driven multiple-choice assessment items and Rasch modeling were used as diagnostic tools to investigate students' understanding of middle school chemistry ideas. Ninety-one items were developed according to a procedure that ensured content alignment to the targeted standards and construct validity. The items were administered to 13360…
Descriptors: Construct Validity, Chemistry, Misconceptions, Multiple Choice Tests
