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ERIC Number: EJ921802
Record Type: Journal
Publication Date: 2011
Pages: 17
Abstractor: As Provided
Reference Count: 42
ISBN: N/A
ISSN: ISSN-1070-5511
Testing Measurement Invariance: A Comparison of Multiple-Group Categorical CFA and IRT
Kim, Eun Sook; Yoon, Myeongsun
Structural Equation Modeling: A Multidisciplinary Journal, v18 n2 p212-228 2011
This study investigated two major approaches in testing measurement invariance for ordinal measures: multiple-group categorical confirmatory factor analysis (MCCFA) and item response theory (IRT). Unlike the ordinary linear factor analysis, MCCFA can appropriately model the ordered-categorical measures with a threshold structure. A simulation study under various conditions was conducted for the comparison of MCCFA and IRT with respect to the power to detect the lack of invariance across groups. Both MCCFA and IRT showed reasonable power to identify the noninvariant item when differential item functioning (DIF) was large. The false positive rates were relatively high in both methods, however. The adjustment of critical values improved the performance of MCCFA by reducing false positive rates substantially and yet yielding adequate power. Alternative model fit indexes of MCCFA were also examined and they were found to be reliable to detect DIF, in general. (Contains 1 figure and 2 tables.)
Psychology Press. Available from: Taylor & Francis, Ltd. 325 Chestnut Street Suite 800, Philadelphia, PA 19106. Tel: 800-354-1420; Fax: 215-625-2940; Web site: http://www.tandf.co.uk/journals
Publication Type: Journal Articles; Reports - Evaluative
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A