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Author: Rumrill, Phillip D.
Resulting in 1 citation.
1. Gitchel, Dent
Turner, Ronna
Rumrill, Phillip D.
Differential Item Functioning in Rehabilitation Research
Work: A Journal of Prevention, Assessment and Rehabilitation 36,3 (January 2010): 361-369.
Also: http://iospress.metapress.com/content/f483002747020717/?p=1c6f8f17df8147daba0f3199c5500f3b&pi=11
Cohort(s): NLSY79, NLSY79 Young Adult
Publisher: IOS Press
Keyword(s): CESD (Depression Scale); Depression (see also CESD); Disability; Rehabilitation; Scale Construction

Permission to reprint the abstract has not been received from the publisher.

Measurement is critical to Rehabilitation practice and research. To provide effective services and to have valid research results, it is imperative to have valid and reliable assessment tools. Differential Item Functioning (DIF) is a statistical procedure which better enables us to assess both the validity and the results of measurement instruments. As such, it is a methodology that can be very beneficial to the field of Rehabilitation. The purposes of this article are to (a) explain the fundamental principles and components of DIF, (b) discuss the practical implications of DIF for the Rehabilitation discipline, and (c) provide an example of DIF implementation and interpretation of results.
Bibliography Citation
Gitchel, Dent, Ronna Turner and Phillip D. Rumrill. "Differential Item Functioning in Rehabilitation Research." Work: A Journal of Prevention, Assessment and Rehabilitation 36,3 (January 2010): 361-369.