标题：Differential Item Functioning in Students Rating of Teaching Effectiveness Surveys in Higher Education According to Academic Disci_plines: Data from a Saudi University
其他标题：االداء التفاضمي لمفقرات يف استبانات تقييم الطمبة لمفاعمية التدريسية يف التعميم العالي حسب حقن املعرفة االكادميي: بيانات من جامعة سعودية
期刊名称：Journal of Educational and Psychological Studies
印刷版ISSN：2218-6506
电子版ISSN：2521-7046
出版年度：2017
卷号：11
期号：4
页码：770-780
DOI：10.24200/jeps.vol11iss4pp770-780
语种：English
出版社：Sultan Qaboos University
摘要：This study explored academic discipline as a source of differential item functioning (DIF) in students’ rating of teaching quality and effectiveness at higher educa_tion institutions.Data utilized in this study was collected by Imam Abudalruman Bin Faisal University - KSA.The total number of surveys analyzed for the purpose of this study is 36459 from three colleges: Education,Health,and Engineering.Using Extend?ed Rasch model (Rating Scale Model),the results show that the instrument contains four DIF items.The content of these four items confirm the possibility of considering discipline as a source of DIF items in students evaluation of teaching in higher educa?tion.Moreover,the results of the current study show that removing DIF items from the instrument increases construct validity.
