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Ketabi, Somaye; Alavi, Seyyed Mohammed; Ravand, Hamdollah – International Journal of Language Testing, 2021
Although Diagnostic Classification Models (DCMs) were introduced to education system decades ago, it seems that these models were not employed for the original aims upon which they had been designed. Using DCMs has been mostly common in analyzing large-scale non-diagnostic tests and these models have been rarely used in developing Cognitive…
Descriptors: Diagnostic Tests, Test Construction, Goodness of Fit, Classification
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Javidanmehr, Zahra; Anani Sarab, Mohammad Reza – International Journal of Language Testing, 2017
Cognitive Diagnostic Assessment (CDA) is a type of educational assessment that is designed to measure specific knowledge structures and processing skills in students so as to provide information about their cognitive strengths and weaknesses (Leighton & Gierl, 2007). CDA has been instrumental in turning the attention of practitioners to more…
Descriptors: Cognitive Tests, Diagnostic Tests, Educational Assessment, Second Language Learning