A Computer-Adaptive Disability Instrument for Lower Extremity Osteoarthritis Research Demonstrated Promising Breadth, Precision and Reliability

OBJECTIVE: To develop and evaluate a prototype measure (OA-DISABILITY-CAT) for osteoarthritis research using Item Response Theory (IRT) and Computer Adaptive Test (CAT) methodologies. STUDY DESIGN AND SETTING: We constructed an item bank consisting of 33 activities commonly affected by lower extremi...

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Bibliographic Details
Main Authors: Jette, Alan M., McDonough, Christine M., Haley, Stephen M., Ni, Pengsheng, Olarsch, Sippy, Latham, Nancy, Hambleton, Ronald K., Felson, David, Kim, Young-jo, Hunter, David
Format: Artigo
Language:Inglês
Published: 2009
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Article
Online Access:https://ncbi.nlm.nih.gov/pmc/articles/PMC3328293/
https://ncbi.nlm.nih.gov/pubmed/19216052
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.jclinepi.2008.10.004
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