The Distribution of Person Fit Using True and Estimated Person Parameters.

Nering, Michael L.

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Peer reviewed

ERIC Number: EJ523937

Record Type: Journal

Publication Date: 1995

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ISSN: ISSN-0146-6216

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The Distribution of Person Fit Using True and Estimated Person Parameters.

Nering, Michael L.

Applied Psychological Measurement, v19 n2 p121-29 Jun 1995

A person-fit method that allows researchers to identify nonfitting response vectors is the l(z) statistic. Simulation results show that l(z) may not perform as expected when estimated person parameters are used rather than true person parameters. Other considerations in using true and estimated person parameters are discussed. (SLD)

Descriptors: Estimation (Mathematics), Item Response Theory, Research Methodology, Responses, Simulation, Statistical Distributions

Publication Type: Reports - Evaluative; Journal Articles

Education Level: N/A

Audience: N/A

Language: English

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