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Direct linkKreiner, Svend; Hansen, Mogens; Hansen, Carsten Rosenberg – Applied Psychological Measurement, 2006
Mixed Rasch models add latent classes to conventional Rasch models, assuming that the Rasch model applies within each class and that relative difficulties of items are different in two or more latent classes. This article considers a family of stochastically ordered mixed Rasch models, with ordinal latent classes characterized by increasing total…
Descriptors: Item Response Theory, Cognitive Tests, Problem Solving, Statistical Analysis
