Determination of Type I Error and Power Rate in Differential Item Functıoning By Several Methods

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Türk Akademik Yayınlar Dergisi (TAY Journal)
Volume:7 Issue:3
Determination of Type I Error and Power Rate in Differential Item Functıoning By Several Methods

Determination of Type I Error and Power Rate in Differential Item Functıoning By Several Methods

Authors : Şeyma Erbay Mermer, Yasemin Kuzu, Hülya Kelecioğlu

Pages : 902-921

View : 99 | Download : 72

Publication Date : 2023-11-30

Article Type : Research Paper

Abstract :In this study, methods based on Classical Test Theory and Item Response Theory were used comparatively to determine Type I error and power rates in Differential Item Functioning. Logistic regression, Mantel-Haenszel, Lord\'s χ^2, Breslow-Day and Raju\'s area index methods were used for the analyses, and the analyzes were performed using the R.3.0.1 program. According to the results of the study, in general when the ratio of items containing DIF increased, Type I error increased and the power ratio decreased. Among the methods based on Matter Response Theory, Lord\'s χ^2and Raju\'s area index methods gave better results than other methods with low error and high power.
Keywords : MTK, DMF, Tip I hata, güç oranı

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