Goodness of fit in item response models

Roderick P. MCDONALD, Magdalena Mo Ching MOK

Research output: Contribution to journalArticlespeer-review

72 Citations (Scopus)


It is shown that goodness-of-fit criteria developed for the evaluation of multivariate structural models can be applied to assist in evaluating the dimensionality of a test consisting of binary items, and correlative methods regularly employed in factor analysis can be used to diagnose causes of misfit. Copyright © 1995 Lawrence Erlbaum Associates, Inc.

Original languageEnglish
Pages (from-to)23-40
JournalMultivariate Behavioral Research
Issue number1
Publication statusPublished - 1995


McDonald, R. P., & Mok, M. M.-C. (1995). Goodness of fit in item response models. Multivariate Behavioral Research, 30(1), 23-40. doi: 10.1207/s15327906mbr3001_2


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