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ERIC Number: ED523681
Record Type: Non-Journal
Publication Date: 2011-Aug
Pages: 34
Abstractor: As Provided
Reference Count: 41
Recommendations for Conducting Differential Item Functioning (DIF) Analyses for Students with Disabilities Based on Previous DIF Studies. Research Report. ETS RR-11-34
Buzick, Heather; Stone, Elizabeth
Educational Testing Service
The purpose of this study is to help ensure that strategies for differential item functioning (DIF) detection for students with disabilities are appropriate and lead to meaningful results. We surveyed existing DIF studies for students with disabilities and describe them in terms of study design, statistical approach, sample characteristics, and DIF results. Based on descriptive and graphical summaries of previous DIF studies, we make recommendations for future studies of DIF for students with disabilities. Differential Item Functioning (DIF) Studies Surveyed are appended. (Contains 3 tables, 6 figures and 7 notes.)
Educational Testing Service. Rosedale Road Mailstop 19R, Princeton, NJ 08541-0001. Tel: 609-921-9000; Fax: 609-734-5410; Web site:
Publication Type: Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: Educational Testing Service