The Rasch Model, Objective Measurement, Equating, and Robustness.

Linn, Robert L.; Slinde, Jeffrey A.

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Peer reviewed

ERIC Number: EJ218752

Record Type: Journal

Publication Date: 1979

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The Rasch Model, Objective Measurement, Equating, and Robustness.

Linn, Robert L.; Slinde, Jeffrey A.

Applied Psychological Measurement, v3 n4 p437-52 Fall 1979

This study investigated the adequacy of the Rasch model in equating existing standardized tests with groups of examinees not widely separated in ability. With the exception of one test pair and one grade level, the Rasch model using the anchor test procedure provided a reasonably satisfactory means of equating. (Author/CTM)

Descriptors: Equated Scores, Goodness of Fit, Intermediate Grades, Item Analysis, Latent Trait Theory, Mathematical Models, Objective Tests, Reading Tests, Sampling, Test Interpretation, Testing, Verbal Tests

Publication Type: Journal Articles; Reports - Research

Education Level: N/A

Audience: N/A

Language: English

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