Abstract 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�…

GPOWER is a completely interactive, menu-driven program for IBM-compatible and Apple
Macintosh personal computers. It performs high-precision statistical power analyses for the�…

This is the first book to demonstrate the application of power analysis to the newer more
advanced statistical techniques that are increasingly used in the social and behavioral�…

Noted for its accessible approach, this bestseller applies power analysis to both null
hypothesis and minimum-effect testing using the same basic model. Through the use of a�…

Applied Power Analysis for the Behavioral Sciences is a practical" how-to" guide to
conducting statistical power analyses for psychology and related fields. The book provides a�…

G* Power is a free power analysis program for a variety of statistical tests. We present
extensions and improvements of the version introduced by Faul, Erdfelder, Lang, and�…

Statistical Power Analysis is a nontechnical guide to power analysis in research planning
that provides users of applied statistics with the tools they need for more effective analysis�…

Reviews of the psychological literature suggest that many studies lack sufficient statistical
power to detect effects of interest. Increased attention to statistical power by journal editors�…

This package contains functions for basic power calculations using effect sizes and
notations from Cohen (1988): pwr. p. test: test for one proportion (ES= h) pwr. 2p. test: test for�…

Abstract Methods for the Behavioral, Educational, and Social Sciences (MBESS; Kelley,
2007b) is an open source package for R (R Development Core Team, 2007b), an open�…