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Direct linkRobinson, Daniel H.; Levin, Joel R.; Schraw, Gregory; Patall, Erika A.; Hunt, Earl B. – Educational Psychology Review, 2013
To counteract what we see as a growing research-reporting concern, we propose the following editorial-policy change regarding the content of primary research articles in educational research journals: Contributors should restrict their discussion and conclusions to their data and not offer recommendations for educational practice nor speculate…
Descriptors: Educational Policy, Journal Articles, Educational Research, Periodicals
Peer reviewedKeselman, H. J.; Huberty, Carl J.; Lix, Lisa M.; Olejnik, Stephen; Cribbie, Robert A.; Donahue, Barbara; Kowalchuk, Rhonda K.; Lowman, Laureen L.; Petoskey, Martha D.; Levin, Joel R.; Keselman, Joanne C. – Review of Educational Research, 1998
The use of analysis of variance (ANOVA), multivariate analysis of variance (MANOVA), and analysis of covariance (ANCOVA) by educational researchers was studied through review of several prominent research journals. The analyses suggest that researchers rarely verify that validity assumptions are satisfied, and typically use analyses that are…
Descriptors: Analysis of Covariance, Analysis of Variance, Educational Research, Literature Reviews
Download full textOnwuegbuzie, Anthony J.; Levin, Joel R.; Leech, Nancy L. – Learning Disabilities: A Contemporary Journal, 2003
Because of criticisms leveled at statistical hypothesis testing, some researchers have argued that measures of effect size should replace the significance-testing practice. We contend that although effect-size measures have logical appeal, they are also associated with a number of limitations that may result in problematic interpretations of them…
Descriptors: Intervals, Psychological Studies, Learning Disabilities, Testing
