G*Power 3:​ a flexible statistical power analysis program for the social, behavioral, and biomedical sciences

Faul, Franz; Erdfelder, Edgar; Lang, Albert-Georg; Buchner, Axel

Affiliations

¹Institut für Psychologie, Christian-Albrechts-Universität, Kiel, Germany

²Lehrstuhl für Psychologie III, Universität Mannheim, Mannheim, Germany

³Heinrich-Heine-Universität Düsseldorf, Düsseldorf, Germany

Abstract and keywords

G*Power (Erdfelder, Faul, & Buchner, 1996) was designed as a general stand-alone power analysis program for statistical tests commonly used in social and behavioral research. G*Power 3 is a major extension of, and improvement over, the previous versions. It runs on widely used computer platforms (i.e., Windows XP, Windows Vista, and Mac OS X 10.4) and covers many different statistical tests of thet, F, and χ2 test families. In addition, it includes power analyses forz tests and some exact tests. G*Power 3 provides improved effect size calculators and graphic options, supports both distribution-based and design-based input modes, and offers all types of power analyses in which users might be interested. Like its predecessors, G*Power 3 is free.

Keywords: Power Analysis; Negative Priming; Implicit Association Test; Main Window; Noncentrality Parameter

Links

DOI: 10.3758/BF03193146

PubMed: 17695343

WoS: 000248501300003

History

Received: 2006-12-08

Accepted: 2007-01-23

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