Diagnostic Test Construction: Insights from Cognitive Diagnostic Modeling

Publish Year: 1400
نوع سند: مقاله ژورنالی
زبان: English
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JR_IJLT-11-1_002

تاریخ نمایه سازی: 17 فروردین 1400

Abstract:

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 Diagnostic Assessment (CDA) from scratch. Despite the prevalence of retrofitting CDA studies, true applications of CDA are believed to be rare since, firstly, a coherent framework to conduct such studies had not been available and, secondly, researchers were not able to analyze various DCMs according to the same model fit indices and criteria. This paper presents a summary of different types of DCMs and reviews true and retrofitting CDA studies. Having examined the limitations of previous CDA studies, the present study argues for the implication and application of Ravand and Baghaei’s (2019) framework to conduct true CDA studies. This framework is of importance since not only does it fit into prominent frameworks in education assessment such as Cognitive Design System and Assessment Triangle, but also it can provide test-developers with practical steps in conducting valid cognitive diagnostic tests.

Authors

Somaye Ketabi

English Department, Faculty of Foreign Languages and Literatures, University of Tehran, Tehran, Iran

Seyyed Mohammad Alavi

English Department, Faculty of Foreign Languages and Literatures, University of Tehran, Iran

Hamdollah Ravand

English Department, Faculty of Literature & Humanities, Vali-e-Asr University of Rafsanjan, Rafsanjan, Iran