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Journal Editorial Policies Regarding Statistical Significance Tests: Heat Is to Fire as p Is to Importance
Authors:Bruce Thompson
Institution:(1) TAMU Department of Educational Psychology, Texas A&M University and Baylor College of Medicine, College Station, Texas, 77843-4225
Abstract:The present paper responds to defenses of statistical significance testing offered by Levin and Robinson. First, some inaccurate perceptions of contemporary criticisms of statistical tests are noted. Second, areas of disagreement are explored. For example, it is noted that all nine empirical studies of reporting practices since 1994 show that ldquoencouragingrdquo (per the 1994 APA style manual) authors to report effect sizes has not worked; two reasons for this failure are explored. Finally, two important areas of agreement regarding needed improvements in contemporary practices are noted.
Keywords:statistical significance  effect size  editorial policy  statistics  research methods
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