The Many Null Distributions of Person Fit Indices.

Molenaar, Ivo W.; Hoijtink, Herbert

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Peer reviewed

ERIC Number: EJ409666

Record Type: Journal

Publication Date: 1990

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The Many Null Distributions of Person Fit Indices.

Molenaar, Ivo W.; Hoijtink, Herbert

Psychometrika, v55 n1 p75-106 Mar 1990

Statistical properties of person fit indices are reviewed as indicators of the extent to which a person's score pattern is in agreement with a measurement model. Distribution of a fit index and ability-free fit evaluation are discussed. The null distribution was simulated for a test of 20 items. (SLD)

Descriptors: Item Banks, Item Response Theory, Mathematical Models, Monte Carlo Methods, Simulation, Statistical Analysis, Test Items

Publication Type: Journal Articles; Reports - Research

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Language: English

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