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Direct linkXiang, Rui – ProQuest LLC, 2013
A key issue of cognitive diagnostic models (CDMs) is the correct identification of Q-matrix which indicates the relationship between attributes and test items. Previous CDMs typically assumed a known Q-matrix provided by domain experts such as those who developed the questions. However, misspecifications of Q-matrix had been discovered in the past…
Descriptors: Diagnostic Tests, Cognitive Processes, Matrices, Test Items
