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McDonald, Roderick P.; Mok, Magdalena M.-C. – Multivariate Behavioral Research, 1995
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 used in factor analysis can be employed to diagnose causes of misfit. (Author)
Descriptors: Correlation, Criteria, Evaluation Methods, Factor Analysis
Peer reviewed Peer reviewed
McDonald, Roderick P. – Interchange, 1986
Within a framework of general theory governing relations between models for structural analysis, the research activities of General Research On Understanding Psychometrics (GROUP) of the Ontario Institute for Studies in Education are discussed. (MT)
Descriptors: Analysis of Covariance, Factor Analysis, Latent Trait Theory, Linear Programing
Peer reviewed Peer reviewed
McDonald, Roderick P. – Psychometrika, 1986
There is a unity underlying the diversity of models for the analysis of multivariate data. Essentially, they constitute a family of models, most generally nonlinear, for structural/functional relations between variables drawn from a behavior domain. (Author)
Descriptors: Factor Analysis, Generalizability Theory, Latent Trait Theory, Mathematical Models