POWPAL - A PROGRAM FOR ESTIMATING EFFECT SIZES, STATISTICAL POWER, AND SAMPLE SIZES

Authors
GORMAN BS PRIMAVERA LH ALLISON DB
Citation
Bs. Gorman et al., POWPAL - A PROGRAM FOR ESTIMATING EFFECT SIZES, STATISTICAL POWER, AND SAMPLE SIZES, Educational and psychological measurement, 55(5), 1995, pp. 773-776
Citations number
15
Categorie Soggetti
Psychology, Educational","Psychologym Experimental","Mathematical, Methods, Social Sciences
Journal title
Educational and psychological measurement → ACNP
ISSN journal
00131644
Volume
55
Issue
5
Year of publication
1995
Pages
773 - 776
Database
ISI
SICI code
0013-1644(1995)55:5<773:P-APFE>2.0.ZU;2-H
Abstract
POWPAL is a simple, interactive computer program that computes effect sizes and power estimates from summary statistics. Additionally, the p rogram provides estimates of future sample sizes needed for various co mbinations of power, significance levels, and effect sizes.