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Improved responsiveness and reduced sample size requirements of PROMIS physical function scales with item response theory
INTRODUCTION: The Health Assessment Questionnaire Disability Index (HAQ) and the SF-36 PF-10, among other instruments, yield sensitive and valid Disability (Physical Function) endpoints. Modern techniques, such as Item Response Theory (IRT), now enable development of more precise instruments using i...
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| Main Authors: | , , , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
BioMed Central
2011
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3308075/ https://ncbi.nlm.nih.gov/pubmed/21914216 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/ar3461 |
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