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Differential Item Functioning(DIF) is one of the most important methods to identify item bias,which threatens the validity of measurement.
An investigative study of LR and DFIT methods using GGUM model:An analysis of differential item func
【摘 要】
：
Differential Item Functioning(DIF) is one of the most important methods to identify item bias,which threatens the validity of measurement.
【机 构】
：
(C)ankiri Karatekin University,Turkey Hacettepe U
【出 处】
：
北京师范大学
【发表日期】
：
2015年5期
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