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Examining Differential Item Functioning: IRT-Based Detection in the Framework of Confirmatory Factor Analysis
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Dimitrov, Dimiter M. – Measurement and Evaluation in Counseling and Development, 2017
This article offers an approach to examining differential item functioning (DIF) under its item response theory (IRT) treatment in the framework of confirmatory factor analysis (CFA). The approach is based on integrating IRT- and CFA-based testing of DIF and using bias-corrected bootstrap confidence intervals with a syntax code in Mplus.
Descriptors: Test Bias, Item Response Theory, Factor Analysis, Evaluation Methods
Practitioners and Cross-Cultural Assessment: A Practical Guide to Information and Training.
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Hinkle, J. Scott – Measurement and Evaluation in Counseling and Development, 1994
Presents a cross-cultural perspective for testing practitioners. Discusses practical cross-cultural assessment issues, including test unfairness or bias. Offers solutions to testing issues regarding diverse populations. Includes 80 citations. (Author/CRR)
Descriptors: Counselor Training, Cultural Differences, Cultural Pluralism, Evaluation
Gender Differential Item Functioning in the Multidimensional Self Concept Scale with a Sample of Early Adolescent Students
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Young, Ellie L.; Sudweeks, Richard R. – Measurement and Evaluation in Counseling and Development, 2005
Differential item functioning (DIF) in the Multidimensional Self Concept Scale (B. A. Bracken, 1992) was evaluated using 2 different methods to identify and describe DIF. Of 149 items from the Multidimensional Self Concept Scale, 42% exhibited gender DIF. Nonuniform, crossover DIF was evident in items throughout the instrument.
Descriptors: Early Adolescents, Measures (Individuals), Self Concept, Test Items