Choosing a Two-Sample Location Test.

Penfield, Douglas A.

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Peer reviewed

ERIC Number: EJ500544

Record Type: Journal

Publication Date: 1994

Pages: N/A

Abstractor: N/A

ISBN: N/A

ISSN: ISSN-0022-0973

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Choosing a Two-Sample Location Test.

Penfield, Douglas A.

Journal of Experimental Education, v62 n4 p343-60 Sum 1994

Type I error rate and power for the t test, Wilcoxon-Mann-Whitney test, van der Waerden Normal Scores, and Welch-Aspin-Satterthwaite (W) test are compared for two simulated independent random samples from nonnormal distributions. Conditions under which the t test and W test are best to use are discussed. (SLD)

Descriptors: Monte Carlo Methods, Nonparametric Statistics, Power (Statistics), Sample Size, Sampling, Selection, Simulation, Statistical Analysis, Statistical Distributions, Test Use

Publication Type: Reports - Evaluative; Journal Articles

Education Level: N/A

Audience: N/A

Language: English

Sponsor: N/A

Authoring Institution: N/A

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Author Affiliations: N/A