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Response rates in postal surveys of healthcare professionals between 1996 and 2005: An observational study
BACKGROUND: Postal surveys are a frequently used method of data collection in health services research. Low response rates increase the potential for bias and threaten study validity. The objectives of this study were to estimate current response rates, to assess whether response rates are falling,...
Autores principales: | , , |
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Formato: | Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2009
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2758861/ https://www.ncbi.nlm.nih.gov/pubmed/19751504 http://dx.doi.org/10.1186/1472-6963-9-160 |