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| Discriminant Analysis | 1 |
| Evaluation Methods | 1 |
| Functional Behavioral… | 1 |
| Item Response Theory | 1 |
| Research Methodology | 1 |
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| Test Bias | 1 |
| Test Items | 1 |
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| Applied Measurement in… | 1 |
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| Su, Ya-Hui | 1 |
| Wang, Wen-Chung | 1 |
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Direct linkSu, Ya-Hui; Wang, Wen-Chung – Applied Measurement in Education, 2005
Simulations were conducted to investigate factors that influence the Mantel, generalized Mantel-Haenszel (GMH), and logistic discriminant function analysis (LDFA) methods in assessing differential item functioning (DIF) for polytomous items. The results show that the magnitude of DIF contamination in the matching score, as measured by the average…
Descriptors: Discriminant Analysis, Test Bias, Research Methodology, Test Items
