Misunderstanding the Rasch Model.

Wright, Benjamin D.

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Peer reviewed

ERIC Number: EJ174746

Record Type: Journal

Publication Date: 1977

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Misunderstanding the Rasch Model

Wright, Benjamin D.

Journal of Educational Measurement, 14, 3, 219-25, F 77

Statements made in a previous article of this journal concerning the Rasch latent trait test model are questioned. Methods of estimation, necessary sample sizes, several formuli, and the general usefulness of the Rasch model are discussed. (JKS)

Descriptors: Computers, Error of Measurement, Item Analysis, Mathematical Models, Measurement, Sampling, Test Interpretation, Test Reliability, Test Validity, Testing Problems

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