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First Language of Examinees and Its Relationship to Differential Item Functioning DIF

Author(s):
Sinharay, Sandip; Dorans, Neil J.; Liang, Longjuan
Publication Year:
2009
Report Number:
RR-09-11
Source:
ETS Research Report
Document Type:
Report
Page Count:
65
Subject/Key Words:
Fairness, Language Proficiency, Differential Item Functioning (DIF), Mantel Haenszel Technique

Abstract

The results vary by type of test as well. In addition, the magnitude of DIF for some items is substantially affected by whether the DIF is performed on examinees whose first language is not English.

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