Detecting Unit of Analysis Problems in Nested Designs: Statistical Power and Type I Error Rates of the "F" Test for Groups-within-Treatments Effects.

Kromrey, Jeffrey D.; Dickinson, Wendy B.

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Peer reviewed

ERIC Number: EJ525436

Record Type: Journal

Publication Date: 1996

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ISSN: ISSN-0013-1644

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Detecting Unit of Analysis Problems in Nested Designs: Statistical Power and Type I Error Rates of the "F" Test for Groups-within-Treatments Effects.

Kromrey, Jeffrey D.; Dickinson, Wendy B.

Educational and Psychological Measurement, v56 n2 p215-31 Apr 1996

Empirical estimates of the power and Type I error rate of the test of the classrooms-within-treatments effect in the nested analysis of variance approach are provided for a variety of nominal alpha levels and a range of classroom effect sizes and research designs. (SLD)

Descriptors: Analysis of Variance, Correlation, Educational Research, Effect Size, Estimation (Mathematics), Groups, Intervention, Monte Carlo Methods, Power (Statistics)

Publication Type: Reports - Evaluative; Journal Articles

Education Level: N/A

Audience: N/A

Language: English

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