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. ...

The aim of this study is to research whether or not the attitude items towards sciences in PISA 2015 student questionnaire including differential item functioning (DIF) in terms of language and culture. Generalized Mantel ...

The aim of this study was to investigate the effect of the presence of items indicating differential item functioning (DIF) on computer adaptive test approaches (CAT and MST) performance under several conditions. Both ...

The aim of this research is to perform validity and reliability studies for the adaptation of the second version of Comprehensive Test of Nonverbal Intelligence - CTONI-2 developed by Pearson, Donald, and Wierdeholt (2009) ...

In this study, differential functioning items according to gender and school type (private vs public) in English subtest of TEOG in 2015 – 2016 Academic Year Spring Semester were investigated. Expert opinions were sought ...

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 ...