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Validity of instruments to measure physical activity may be questionable due to a lack of conceptual frameworks: a systematic review
BACKGROUND: Guidance documents for the development and validation of patient-reported outcomes (PROs) advise the use of conceptual frameworks, which outline the structure of the concept that a PRO aims to measure. It is unknown whether currently available PROs are based on conceptual frameworks. Thi...
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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/PMC3215640/ https://ncbi.nlm.nih.gov/pubmed/21967887 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/1477-7525-9-86 |
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