Power and Reliability: The Case of Homogeneous True Score Regression across Treatments.

Fisicaro, Sebastiano A.; Lautenschlager, Gary J.

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Peer reviewed

ERIC Number: EJ453806

Record Type: Journal

Publication Date: 1992

Pages: N/A

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ISSN: ISSN-0013-1644

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Power and Reliability: The Case of Homogeneous True Score Regression across Treatments.

Fisicaro, Sebastiano A.; Lautenschlager, Gary J.

Educational and Psychological Measurement, v52 n3 p505-11 Fall 1992

An equation derived by W. A. Nicewander and J. M. Price relating statistical power to reliability of dependent variable measures when true score regression is homogeneous across treatment conditions is enhanced through overcoming the problem of directly estimating the squared linear correlation between true scores for X and Y. (SLD)

Descriptors: Analysis of Variance, Correlation, Equations (Mathematics), Estimation (Mathematics), Mathematical Models, Power (Statistics), Regression (Statistics), Reliability, True Scores

Publication Type: Journal Articles; Reports - Evaluative

Education Level: N/A

Audience: N/A

Language: English

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Authoring Institution: N/A

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Author Affiliations: N/A