On Two-Stage Multiple Comparison Procedures When There Are Unequal Sample Sizes in the First Stage.

Wilcox, Rand R.

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Peer reviewed

ERIC Number: EJ316185

Record Type: Journal

Publication Date: 1984

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On Two-Stage Multiple Comparison Procedures When There Are Unequal Sample Sizes in the First Stage.

Wilcox, Rand R.

Journal of Educational Statistics, v9 n3 p227-36 Fall 1984

Two stage multiple-comparison procedures give an exact solution to problems of power and Type I errors, but require equal sample sizes in the first stage. This paper suggests a method of evaluating the experimentwise Type I error probability when the first stage has unequal sample sizes. (Author/BW)

Descriptors: Hypothesis Testing, Mathematical Models, Power (Statistics), Probability, Research Problems, Sample Size, Statistical Significance

Publication Type: Journal Articles; Reports - Research

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Language: English

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