Comparison of Tukey's T-Method and Scheffé's S-Method for Various Numbers of All Possible Differences of Averages Contrasts Under Violation of Assumptions

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dc.contributor.authorH.J. Keselman
dc.contributor.authorLarry E. Toothaker
dc.date.accessioned2016-01-14T19:54:02Z
dc.date.accessioned2016-03-30T15:32:21Z
dc.date.available2016-01-14T19:54:02Z
dc.date.available2016-03-30T15:32:21Z
dc.date.issued1974-10-01
dc.description.abstractEmpirical .05 and .01 rates of Type I error were compared for the Tukey and Scheffé multiple comparison techniques. The experimentwise error rate was defined over five sets of the all possible 25 differences of averages contrasts. The robustness of the Tukey and Scheffé statistics was not only related to the type of assumption violation, but also to the sets containing different numbers of contrasts. The Tukey method could be judged as robust a statistic as the Scheffé method.en_US
dc.description.peerreviewYesen_US
dc.description.peerreviewnoteshttps://us.sagepub.com/en-us/nam/manuscript-submission-guidelinesen_US
dc.identifier.citationKeselman, H. J., & Toothaker, L. E. (1974). Comparison of Tukey's T-Method and Scheffé's S-Method for Various Numbers of All Possible Differences of Averages Contrasts Under Violation of Assumptions. Educational and Psychological Measurement, 34(3), 511-519. doi: 10.1177/001316447403400304en_US
dc.identifier.doi10.1177/001316447403400304en_US
dc.identifier.urihttp://hdl.handle.net/11244/25586
dc.language.isoen_USen_US
dc.publisherEducational and Psychological Measurement
dc.rights.requestablefalseen_US
dc.titleComparison of Tukey's T-Method and Scheffé's S-Method for Various Numbers of All Possible Differences of Averages Contrasts Under Violation of Assumptionsen_US
dc.typeResearch Articleen_US
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