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A randomised controlled trial to determine the effect on response of including a lottery incentive in health surveys [ISRCTN32203485]
BACKGROUND: Postal questionnaires are an economical and simple method of data collection for research purposes but are subject to non-response bias. Several studies have explored the effect of monetary and non-monetary incentives on response. Recent meta-analyses conclude that financial incentives a...
| Autores principales: | , , , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2004
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC534094/ https://www.ncbi.nlm.nih.gov/pubmed/15533256 http://dx.doi.org/10.1186/1472-6963-4-30 |