More than One Replication Study Is Needed for Unambiguous Tests of Replication

Autor/inn/en	Hedges, Larry V.; Schauer, Jacob M.
Titel	More than One Replication Study Is Needed for Unambiguous Tests of Replication
Quelle	In: Journal of Educational and Behavioral Statistics, 44 (2019) 5, S.543-570 (28 Seiten)Infoseite zur Zeitschrift PDF als Volltext (1); PDF als Volltext kostenfreie Datei (2) Verfügbarkeit
Zusatzinformation	ORCID (Schauer, Jacob M.) Weitere Informationen
Sprache	englisch
Dokumenttyp	gedruckt; online; Zeitschriftenaufsatz
ISSN	1076-9986
DOI	10.3102/1076998619852953
Schlagwörter	Replication (Evaluation); Research Design; Research Methodology; Program Evaluation; Validity; Reliability; Meta Analysis; Effect Size; Sampling; Hypothesis Testing + Suchen Sie Ihr Suchwort? Forschungsdesign; Research method; Forschungsmethode; Programme evaluation; Programmevaluation; Gültigkeit; Reliabilität; Meta-analysis; Metaanalyse; Hypothesenprüfung; Hypothesentest
Abstract	The problem of assessing whether experimental results can be replicated is becoming increasingly important in many areas of science. It is often assumed that assessing replication is straightforward: All one needs to do is repeat the study and see whether the results of the original and replication studies agree. This article shows that the statistical test for whether two studies obtain the same effect is smaller than the power of either study to detect an effect in the first place. Thus, unless the original study and the replication study have unusually high power (e.g., power of 98%), a single replication study will not have adequate sensitivity to provide an unambiguous evaluation of replication. (As Provided).
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Erfasst von	ERIC (Education Resources Information Center), Washington, DC
Update	2021/2/06