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The Comparison of Differential Item Functioning Predicted through Experts and Statistical Techniques
Peer reviewed
Download full textDogan, Nuri; Hambleton, Ronald K.; Yurtcu, Meltem; Yavuz, Sinan – Cypriot Journal of Educational Sciences, 2018
Validity is one of the psychometric properties of the achievement tests. To determine the validity, one of the examination is item bias studies, which are based on differential item functioning (DIF) analyses and field experts' opinion. In this study, field experts were asked to estimate the DIF levels of the items to compare the estimations…
Descriptors: Test Bias, Comparative Analysis, Predictor Variables, Statistical Analysis
