Better assessment of physical function: item improvement is neglected but essential

INTRODUCTION: Physical function is a key component of patient-reported outcome (PRO) assessment in rheumatology. Modern psychometric methods, such as Item Response Theory (IRT) and Computerized Adaptive Testing, can materially improve measurement precision at the item level. We present the qualitati...

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Main Authors: Bruce, Bonnie, Fries, James F, Ambrosini, Debbie, Lingala, Bharathi, Gandek, Barbara, Rose, Matthias, Ware, John E
Formato: Artigo
Idioma:Inglês
Publicado: BioMed Central 2009
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Research Article
Acceso en liña:https://ncbi.nlm.nih.gov/pmc/articles/PMC3003539/
https://ncbi.nlm.nih.gov/pubmed/20015354
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/ar2890
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