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Direct linkSvetina, Dubravka; Levy, Roy – Educational Assessment, 2014
A framework is introduced for considering dimensionality assessment procedures for multidimensional item response models. The framework characterizes procedures in terms of their confirmatory or exploratory approach, parametric or nonparametric assumptions, and applicability to dichotomous, polytomous, and missing data. Popular and emerging…
Descriptors: Item Response Theory, Models, National Competency Tests, Science Tests
