An Iterative Procedure for Linking Metrics and Assessing Item Bias in Item Response Theory.

Candell, Gregory L.; Drasgow, Fritz

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Peer reviewed

ERIC Number: EJ389945

Record Type: Journal

Publication Date: 1988

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An Iterative Procedure for Linking Metrics and Assessing Item Bias in Item Response Theory.

Candell, Gregory L.; Drasgow, Fritz

Applied Psychological Measurement, v12 n3 p253-60 Sep 1988

An iterative procedure designed to minimize item bias affecting metrics in item response theory (IRT) was examined in a Monte Carlo investigation using the two-parameter IRT model. Two methods for transforming parameter estimates to a common metric were incorporated into the procedure. Results indicate that the procedure is effective. (TJH)

Descriptors: Difficulty Level, Estimation (Mathematics), Latent Trait Theory, Monte Carlo Methods, Statistical Bias

Publication Type: Journal Articles; Reports - Research

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Language: English

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