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Hsu, Louis M. – Multivariate Behavioral Research, 1994
Item overlap coefficient (IOC) formulas are discussed, providing six warnings about their calculation and interpretation and some explanations of why item overlap influences the Minnesota Multiphasic Personality Inventory and the Millon Clinical Multiaxial Inventory factor structures. (SLD)
Descriptors: Correlation, Definitions, Equations (Mathematics), Factor Structure
Peer reviewed Peer reviewed
Mellenbergh, Gideon J. – Multivariate Behavioral Research, 1994
A general linear latent trait model for continuous item responses is described. The special unidimensional case for continuous item response is the model of K. G. Joreskog (1971) of congeneric item response. The correspondence between models for continuous and dichotomous item responses is shown to be closer than usually supposed. (SLD)
Descriptors: Attitude Measures, Item Bias, Item Response Theory, Personality Measures