Method evidence record

Cognitive Diagnostic Modeling

Cognitive diagnostic models (CDMs), also called diagnostic classification models, are restricted latent class models that report not a single ability score but a profile of which discrete skills or attributes a student has mastered. Each item is linked to the attributes it requires through a Q-matrix, and the model classifies every examinee into one of the possible binary mastery patterns. CDMs answer 'which specific skills does this student lack' rather than 'how much overall ability does this student have,' making them central to fine-grained diagnostic and formative assessment.

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Cognitive Diagnostic Models for Skill-Attribute Profiling

Taxonomic method record · latent-structure / education

Rupp, A. A., Templin, J., & Henson, R. A. (2010). Diagnostic Measurement: Theory, Methods, and Applications. Guilford Press. · ISBN 9781606235270
de la Torre, J. (2011). The generalized DINA model framework. Psychometrika, 76(2), 179–199. · DOI 10.1007/s11336-011-9207-7

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Related methods

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Used in the same domainFormative Assessmentmachine-suggested · Relational suggestion, not evidence.Same method familyItem Response Theorymachine-suggested · Relational suggestion, not evidence.Same method familyLatent Class Analysismachine-suggested · Relational suggestion, not evidence.Same method familyMany-Facet Rasch Measurementmachine-suggested · Relational suggestion, not evidence.