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Stout, William – Applied Psychological Measurement, 2001
Discusses the papers in this special issue, emphasizing the practical applicability of nonparametric item response theory (NIRT) and how NIRT addresses lack-of-fit issues. Also discusses the ability of NIRT to assess latent multidimensionality and the relation of latent multidimensionality analyses to construct validity. (SLD)
Descriptors: Construct Validity, Goodness of Fit, Item Response Theory, Nonparametric Statistics