تحليل بوم شناختي DIF جنسيتي آزمون درك مطلب: اعتبار سنجي انگاره زومبو و همكاران (2015) در پاسخ به سوالات در محيط زبان انگليسي به عنوان زبان خارجي
Title
A dissertation submitted to the University of Isfahan in accordance with the requirements of the degree of Doctor of Philosophy in the Faculty of Foreign Languages
Degree
Ph.D. Thesis
Place
Faculty of Foreign Languages Department of English Language and Literature
Date
December 2020
Supervisor
Hossein Barati
Consultor
Ahmad Moein Zadeh
Persain Descriptors
differential item functioning (DIF) , ecological model of item responding , ecological perspective , generations of DIF , DIF sources/predictors , multiple-variable matching , covariates , purificatin , validity