Determination of a Differential Item Functioning Procedure Using the Hierarchical Generalized Linear Model

The aim of this research is to compare the result of thedifferential item functioning (DIF) determining with hierarchical generalized linearmodel (HGLM) technique and the results of the DIF determining with logistic regression(LR) and item response theory–likelihood ratio (IRT-LR) techniques on the test items.For this reason, first in this research, it is determined whether the students encounterDIF with HGLM, LR, and IRT-LR techniques according to socioeconomic status (SES), in theTurkish, Social Sciences, and Science subtest items of the Secondary School InstitutionsExamination. When inspecting the correlations among the techniques in terms ofdetermining the items having DIF, it was discovered that there was significantcorrelation between the results of IRT-LR and LR techniques in all subtests; merely inScience subtest, the results of the correlation between HGLM and IRT-LR techniques werefound significant. DIF applications can be made on test items with other DIF analysistechniques that were not taken to the scope of this research. The analysis results,which were determined by using the DIF techniques in different sample sizes, can becompared