Statistical Power Analysis for the Behavioral Sciences

'Statistical Power Analysis' is a nontechnical guide to power analysis in research planning that provides users of applied statistics with the tools they need for more effective analysis. The Second Edition includes: \* a chapter covering power analysis in set correlation and multivariate methods; \* a chapter considering effect size, psychometric reliability, and the efficacy of 'qualifying' dependent variables and; \* expanded power and sample size tables for multiple regression/correlation.