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Karelitz, Tzur M. – Measurement: Interdisciplinary Research and Perspectives, 2008
What is the nature of latent predictors that facilitate diagnostic classification? Rupp and Templin (this issue) suggest that these predictors should be multidimensional, categorical variables that can be combined in various ways. Diagnostic Classification Models (DCM) typically use multiple categorical predictors to classify respondents into…
Descriptors: Feedback (Response), Item Response Theory, Predictor Variables, Educational Diagnosis