Powcor: A Power Analysis and Sample Size Program for Testing Differences between Dependent and Indepwendent Correlations
- 1 March 1993
- journal article
- research article
- Published by SAGE Publications in Educational and Psychological Measurement
- Vol. 53 (1) , 133-137
- https://doi.org/10.1177/0013164493053001014
Abstract
POWCOR is a BASIC program that computes power or needed sample sizes for detecting the differences between pairs of correlated or independent correlation coefficients. The program can compute power for unequal samples sizes, given independent correlations.Keywords
This publication has 6 references indexed in Scilit:
- Comparing correlated correlation coefficients.Psychological Bulletin, 1992
- Power and Sample Size via MS/PC-DOS ComputersThe American Statistician, 1989
- Robust Tests for the Equality of Two Correlation Coefficients: A Monte Carlo StudyEducational and Psychological Measurement, 1982
- Sample sizes for specified statistical power in testing for differential validity.Journal of Applied Psychology, 1980
- 136. Query: Significance of Difference between Two Non-Independent Correlation CoefficientsPublished by JSTOR ,1959
- The Selection of Variates for Use in Prediction with Some Comments on the General Problem of Nuisance ParametersThe Annals of Mathematical Statistics, 1940