A Didactic Explanation of Item Bias, Item Impact, and Item Validity from a Multidimensional Perspective.

Ackerman, Terry A.

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Peer reviewed

ERIC Number: EJ443889

Record Type: Journal

Publication Date: 1992

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ISSN: ISSN-0022-0655

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A Didactic Explanation of Item Bias, Item Impact, and Item Validity from a Multidimensional Perspective.

Ackerman, Terry A.

Journal of Educational Measurement, v29 n1 p67-91 Spr 1992

The difference between item bias and item impact and the way they relate to item validity are discussed from a multidimensional item response theory perspective. The Mantel-Haenszel procedure and the Simultaneous Item Bias strategy are used in a Monte Carlo study to illustrate detection of item bias. (SLD)

Descriptors: Causal Models, Computer Simulation, Construct Validity, Equations (Mathematics), Item Bias, Item Response Theory, Mathematical Models, Monte Carlo Methods, Nonparametric Statistics, Scoring, Standardized Tests, Test Construction, Test Items, Test Validity, Theories

Publication Type: Journal Articles; Reports - Evaluative

Education Level: N/A

Audience: N/A

Language: English

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