Download gpower-212.hqx (327,087 KB)
From: buchner@cogpsy.uni-trier.de
Subject: gpower212
The new version fixes a problem that surfaced with MacOS 8.
The program is free. Support is partial. The file has been checked using
Disinfectant 3.7.1. I would greatly appreciate if you could make this file
available on your Mac archive. Thanks.
This is what G*Power does:
G*Power performs high-precision statistical power analyses for the most
common statistical tests in behavioral research, that is, t-tests, F-tests,
and Chi^2-tests.
G*Power computes
(a) power values for given sample sizes, effect sizes
and alpha levels (post hoc power analyses),
(b) sample sizes for given effect sizes, alpha levels,
and power values (a priori power analyses), and
(c) alpha and beta values for given sample sizes,
effect sizes and beta/alpha ratios (compromise power analyses).
The program may be used to display graphically the relation between any two
of the relevant variables and it offers the opportunity to compute the
effect size measures from basic parameters defining the alternative
hypothesis.
A guide to G*Power is provided via the www at
http://www.psychologie.uni-trier.de:8000/projects/gpower/how_to_use_gpower.html
Axel Buchner Phone: +49 651 201 2959
FB I - Psychologie Fax: +49 651 201 2955
Universitaet Trier
Universitaetsring 15
D-54286 Trier
Germany e-mail: buchner@cogpsy.uni-trier.de