Power Estimates: The Effect of Dependent Variable Reliability on the Power of One-Factor ANOVAs.

Kopriva, Rebecca J.; Shaw, Dale G.

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Peer reviewed

ERIC Number: EJ433884

Record Type: Journal

Publication Date: 1991

Pages: N/A

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ISSN: ISSN-0013-1644

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Power Estimates: The Effect of Dependent Variable Reliability on the Power of One-Factor ANOVAs.

Kopriva, Rebecca J.; Shaw, Dale G.

Educational and Psychological Measurement, v51 n3 p585-95 Fall 1991

The degree to which reliability affects the power of analysis of variance (ANOVA) tests involving one factor with two and three samples was quantified and tabulated by taking into account sample size, level of significance, and true score effect size. Results confirm a substantial effect on power. (SLD)

Descriptors: Analysis of Variance, Effect Size, Equations (Mathematics), Estimation (Mathematics), Mathematical Models, Power (Statistics), Reliability, Sample Size, Statistical Significance, Tables (Data), True Scores

Publication Type: Journal Articles; Reports - Evaluative

Education Level: N/A

Audience: N/A

Language: English

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Author Affiliations: N/A