Document Type : Research Paper
Abstract
Cognitive Diagnostic Models (CDMs), are confirmative multidimensional latent variable models , with complex structure . In this study,Cognitive Diagnostic Models (CDMs) were used to check the status of first grade high school students in mathematics. Cognitive diagnostic assessment was administered based on eight main characters, consisting of 32 questions on a sample of 509 students, selected from students of Tehran based on a multi-stage cluster sampling. IRT models where used to determine the psychometric properties of the questions .Data analysis by using the DINA model in mathematics, showed that eight attribute explain the mathematics performance of first grade high school students. Results showed that the subjects were only mastered in one of the attributes and the least proportion of mastery was related to definition comprehension skills (0.494), mathematics advanced operations ( 0.498) and using learning in real problems.
Keywords : Cognitive Diagnostic Models (CDMs) , Cognitive Diagnostic Assessment , Mathematics
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