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A within-subjects trial to test the equivalence of online and paper outcome measures: the Roland Morris Disability Questionnaire
BACKGROUND: Augmenting validated paper versions of existing outcome measures with an equivalent online version may offer substantial research advantages (cost, rapidity and reliability). However, equivalence of online and paper questionnaires cannot be assumed, nor can acceptability to respondents....
| Autores principales: | , , , , , , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2010
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2896920/ https://www.ncbi.nlm.nih.gov/pubmed/20529332 http://dx.doi.org/10.1186/1471-2474-11-113 |