JMASM34: Two Group Program for Cohen's d, Hedges’ g, η2, Radj2, ω2, ɛ2, Confidence Intervals, and Power

Abstract

The purpose of this research is to provide an application for users interested in a SPSS syntax program to determine an array of commonly-employed effect sizes and confidence intervals not readily available in SPSS functionality, such as the standardized mean difference and r-related squared indices, for a between-group design.