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Direct linkWiberg, Marie – International Journal of Testing, 2009
The aim of this study was to examine log linear modelling (LLM) compared with logistic regression (LR) and Mantel-Haenszel (MH) test for detecting Differential Item Functioning (DIF) in a mastery test. The three methods were chosen because they have similar components. The results showed fairly high matching percentages together with high…
Descriptors: Test Bias, Mastery Tests, Comparative Analysis, Regression (Statistics)
Wiberg, Marie – International Journal of Testing, 2006
A simulation study of a sequential computerized mastery test is carried out with items modeled with the 3 parameter logistic item response theory model. The examinees' responses are either identically distributed, not identically distributed, or not identically distributed together with estimation errors in the item characteristics. The…
Descriptors: Test Length, Computer Simulation, Mastery Tests, Item Response Theory
