The aim of this study is to determine how DIF is affected by different conditions in two dimensional and three dimensional simulation and two dimensional real data sets. Whether the tests are simple or complex, medium or ...

In this study, it was aimed to whether relationship between the item difficulties with Differential Item Functioning (DIF) according to gender in the TIMSS 2015 mathematics test and DIF coefficients of these items or not. ...

In the Turkish education system, with formal education at high school level, there are also open high schools. It is known that some of the disabled students prefer these high schools. In this study, it is aimed to investigate ...

This research aims to analyze the differential bundle functioning in the multi-dimensional tests. In accordance with this aim, the effect is identified through differentiating the location of item with DIF in the test (six ...

The purpose of this research was to determine whether the multiple-choice items in the mathematics and science subtests at the 4th grade level in the TIMSS 2019 test show Differential Item Function (DIF) by gender and ...