ERIC Number: EJ644192
Record Type: Journal
Publication Date: 2001
Reference Count: N/A
The Efficacy of Two Improvement-over-Chance Effect Sizes for Two-Group Univariate Comparisons under Variance Heterogeneity and Nonnormality.
Hess, Brian; Olejnik, Stephen; Huberty, Carl J.
Educational and Psychological Measurement, v61 n6 p909-36 Dec 2001
Studied the efficacy of two improvement-over-chance or "I" effect sizes derived from predictive discriminant analysis and logistic regression analysis for two-group univariate mean comparisons through simulation. Discusses the ways in which the usefulness of each of the indices depends on the population characteristics. (SLD)
Publication Type: Journal Articles; Reports - Evaluative
Education Level: N/A
Authoring Institution: N/A