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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
Direct linkClauser, Jerome C.; Clauser, Brian E.; Hambleton, Ronald K. – Applied Measurement in Education, 2014
The purpose of the present study was to extend past work with the Angoff method for setting standards by examining judgments at the judge level rather than the panel level. The focus was on investigating the relationship between observed Angoff standard setting judgments and empirical conditional probabilities. This relationship has been used as a…
Descriptors: Standard Setting (Scoring), Validity, Reliability, Correlation
