Empirical Power of Procedures for Comparing Two Groups on p Variables.

Ramsey, Philip H.

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Peer reviewed

ERIC Number: EJ269283

Record Type: Journal

Publication Date: 1982

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Empirical Power of Procedures for Comparing Two Groups on p Variables.

Ramsey, Philip H.

Journal of Educational Statistics, v7 n2 p139-56 Sum 1982

Monte Carlo results were used to evaluate procedures for discriminating between groups. A multiple testing version of Hotelling's T-squared and the Bonferroni procedure were most powerful for detecting at least one true difference, depending on conditions examined. A multiple Bonferroni procedure was superior in power for detecting all true differences. (Author/DWH)

Descriptors: Data Analysis, Educational Research, Evaluation Methods, Monte Carlo Methods, Multivariate Analysis, Research Methodology, Statistical Significance, Statistical Studies

Publication Type: Journal Articles; Reports - Research

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Language: English

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