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Price: EUR 250.00Authors: Collingwood, Margaret
Article Type: Other
DOI: 10.3233/WOR-2010-1037
Citation: Work, vol. 36, no. 3, pp. 355-359, 2010
Authors: Gitchel, Dent | Turner, Ronna | Rumrill, Phillip
Article Type: Research Article
Abstract: 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. Show more
Keywords: Measurement, differential item functioning, depression, NLSY, rehabilitation, disability, polytomous items
DOI: 10.3233/WOR-2010-1072
Citation: Work, vol. 36, no. 3, pp. 361-369, 2010
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