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Effect of numbering of return envelopes on participation, explicit refusals, and bias: experiment and meta-analysis
BACKGROUND: Tracing mail survey responses is useful for the management of reminders but may cause concerns about anonymity among prospective participants. We examined the impact of numbering return envelopes on the participation and the results of a survey on a sensitive topic among hospital staff....
Autores principales: | , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2014
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3898011/ https://www.ncbi.nlm.nih.gov/pubmed/24428941 http://dx.doi.org/10.1186/1471-2288-14-6 |