Statistical practices of educational researchers: An analysis of their ANOVA, MANOVA, and ANCOVA analyses

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dc.contributor.authorKeselman, H. J.
dc.contributor.authorHuberty, Carl J.
dc.contributor.authorLix, Lisa M.
dc.contributor.authorOlejnik, Stephen
dc.contributor.authorCribbie, Robert
dc.contributor.authorDonahue, Barbara
dc.contributor.authorKowalchuk, Rhonda K.
dc.contributor.authorLowman, Laureen L.
dc.contributor.authorPetoskey, Martha D.
dc.date.accessioned2018-06-04T15:32:26Z
dc.date.available2018-06-04T15:32:26Z
dc.date.issued1998-09
dc.description.abstractArticles published in several prominent educational journals were examined to investigate the use of data-analysis tools by researchers in four research paradigms: between-subjects univariate designs, between-subjects multivariate designs, repeated measures designs, and covariance designs. In addition to examining specific details pertaining to the research design (e.g., sample size, group size equality/inequality) and methods employed for data analysis, we also catalogued whether: (a) validity assumptions were examined, (b) effect size indices were reported, (c) sample sizes were selected based on power considerations, and (d) appropriate textbooks and/or articles were cited to communicate the nature of the analyses that were performed. Our analyses imply that researchers rarely verify that validity assumptions are satisfied and accordingly typically use analyses that are nonrobust to assumption violations. In addition, researchers rarely report effect size statistics, nor do they routinely perform power analyses to determine sample size requirements. We offer many recommendations to rectify these shortcomings.en_US
dc.description.sponsorshipSocial Sciences and Humanities Research Council
dc.identifier.citationKeselman, H. J., Huberty, C. J., Lix, L. M., Olejnik, S., Cribbie, R., Donahue, B., Kowalchuk, R. K., Lowman, L. L., Petoskey, M. D., Keselman, J. C. & Levin, J. R. (1998). Statistical practices of educational researchers: An analysis of their ANOVA, MANOVA, and ANCOVA analyses. Review of Educational Research, 68(3), 350-386. https://doi.org/10.3102/00346543068003350
dc.identifier.urihttps://doi.org/10.3102/00346543068003350en_US
dc.identifier.urihttp://hdl.handle.net/10315/34607
dc.language.isoenen_US
dc.publisherSageen_US
dc.rights.articlehttp://journals.sagepub.com/doi/10.3102/00346543068003350
dc.subjectstatistical practicesen_US
dc.subjectsystematic reviewen_US
dc.subjectANOVAen_US
dc.subjectstatistical reportingen_US
dc.titleStatistical practices of educational researchers: An analysis of their ANOVA, MANOVA, and ANCOVA analyses
dc.typeArticleen_US

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