Arthritis Research and Therapy
The objectives of this study were to develop a functional outcome instrument for hip and knee osteoarthritis research (OA-FUNCTION-CAT) using item response theory (IRT) and computer adaptive test (CAT) methods and to assess its psychometric performance compared to the current standard in the field.
Dartmouth Digital Commons Citation
Jette, Alan M.; McDonough, Christine M.; Ni, Pengsheng; and Haley, Stephen M., "A Functional Difficulty and Functional Pain Instrument for Hip and Knee Osteoarthritis" (2009). Dartmouth Scholarship. 511.