East Carolina University
Department of Psychology
G*Power, Version 3.1 -- - free, easily downloadable power analysis program.
Faul, F., Erdfelder, E., Buchner, A., & Lang, A.-G. (2009). Statistical power analyses using G*Power 3.1: Tests for correlation and regression analyses. Behavior Research Methods, 41, 1149-1160.
Faul, F., Erdfelder, E., Lang, A.-G., & Buchner, A. (2007). G*Power 3: A flexible statistical power analysis program for the social, behavioral, and biomedical sciences. Behavior Research Methods, 39, 175-191.
Other Software
PS: Power and Sample Size Calculation - comparisons of slopes and intercepts from independent regressions (and more)
R2: Steiger and Fouladi -- Multiple correlation.
Sample Size Calculation, Binomial -- determine number of observations necessary to obtain CI of desired width, estimating binomial p.
Back to the Statistical
Resources Page
Contact Information for the Webmaster,
Dr. Karl L. Wuensch