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- Title
A Note on Statistical Hypothesis Testing Based on Log Transformation of the Mantel-Haenszel Common Odds Ratio for Differential Item Functioning Classification.
- Authors
Paek, Insu; Holland, Paul
- Abstract
When differential item functioning (DIF) is investigated, DIF classification is made using statistical test results and estimated DIF sizes in practice. One of the well-known DIF classifications is that of the Educational Testing Service (ETS) A (negligible DIF), B (medium DIF), and C (large DIF) rules. This article provides a clarifying note on (a) a sketch of the proof of the asymptotic normality of what is known as the Mantel-Haenszel (MH) delta, which provides the basis of a point and an interval null hypothesis test based on the MH delta, and (b) how to conduct an interval null hypothesis test using the MH delta, which is necessary for the C DIF classification.
- Subjects
STATISTICAL hypothesis testing; DISTRIBUTION (Probability theory); HYPOTHESIS; EDUCATIONAL testing services; STANDARDIZED tests
- Publication
Psychometrika, 2015, Vol 80, Issue 2, p406
- ISSN
0033-3123
- Publication type
Article
- DOI
10.1007/s11336-013-9394-5