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ERIC Number: EJ607466
Record Type: Journal
Publication Date: 1999
Pages: N/A
Abstractor: N/A
Reference Count: N/A
ISSN: ISSN-1076-9986
Application of a Method of Estimating DIF for Polytomous Test Items.
Camilli, Gregory; Congdon, Peter
Journal of Educational and Behavioral Statistics, v24 n4 p323-41 Win 1999
Demonstrates a method for studying differential item functioning (DIF) that can be used with dichotomous or polytomous items and that is valid for data that follow a partial credit Item Response Theory model. A simulation study shows that positively biased Type I error rates are in accord with results from previous studies. (SLD)
Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A