G*Power 3: A flexible statistical power analysis program for the social, behavioral, and biomedical sciences
G*Power 3: A flexible statistical power analysis program for the social, behavioral, and biomedical sciences
F. Faul,E. Erdfelder,Albert-Georg Lang,A. Buchner
2007 · DOI: 10.3758/BF03193146
Behavior Research Methods · 60,495 Citations
TLDR
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.