22013-03-08 10:17:11localhostconverted to 1.6 markup12007-09-05 15:04:06PeterWatsonThis EXCEL spreadsheet computes a single group sample size when comparing two group correlations using Fisher's transform given the two group correlations, power of test and the sample size of the other group. The same results may also be obtained from this power calculator although this calculator only compares equal sized groups.