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ERIC Number: EJ615841
Record Type: Journal
Publication Date: 2000
Pages: N/A
Abstractor: N/A
Reference Count: N/A
ISBN: N/A
ISSN: ISSN-0013-1644
Group Overlap as a Basis for Effect Size.
Huberty, Carl J.; Lowman, Laureen L.
Educational and Psychological Measurement, v60 n4 p543-63 Aug 2000
Proposes the use of the group overlap concept as a basis for determining effect size. Group overlap may be assessed via prediction of group assignment, using predictive discriminant analysis. The effect-size index proposed is that of improvement-over-chance "(I)" classification. Makes some suggestions for cutoffs of "I" values to define index magnitude for some data. (SLD)
Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A