Regression toward the Mean and the Regression-Effect Bias.

Roberts, A. O. H.

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ERIC Number: EJ244984

Record Type: Journal

Publication Date: 1980

Pages: N/A

Abstractor: N/A

ISBN: N/A

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Regression toward the Mean and the Regression-Effect Bias.

Roberts, A. O. H.

New Directions for Testing and Measurement, n8 p59-82 1980

When a test is made to separate a group into two distinct subgroups, as well as to provide an estimate of the mean performance of one subgroup (or both of them), such estimates will be biased due to the unreliability of the test. Suggestions for corrective procedures are presented. (RL)

Descriptors: Error of Measurement, Mathematical Formulas, Prognostic Tests, Regression (Statistics), Statistical Bias, Test Reliability, Theories

Publication Type: Journal Articles; Reports - Research

Education Level: N/A

Audience: N/A

Language: English

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Authoring Institution: N/A

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