فهرست مقالات Item Response Theory (IRT) دسترسی آزاد مقاله صفحه چکیده متن کامل 1 - Examining Differential Item Functioning (DIF) For Iranian EFL Test Takers with Different Fields of Study Shokouh Rashvand Semiyari Saeideh Ahangari 10.30486/relp.2021.1935588.1295