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Download full textRavand, Hamdollah – Practical Assessment, Research & Evaluation, 2015
Cognitive diagnostic models (CDM) have been around for more than a decade but their application is far from widespread for mainly two reasons: (1) CDMs are novel, as compared to traditional IRT models. Consequently, many researchers lack familiarity with them and their properties, and (2) Software programs doing CDMs have been expensive and not…
Descriptors: Test Theory, Models, Computer Software, Open Source Technology
