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Scratch lottery tickets are a poor incentive to respond to mailed questionnaires
BACKGROUND: It has been demonstrated that the enclosure of money with a mailed questionnaire increases the response rate significantly. We evaluated scratch lottery tickets as an alternative to cash. METHODS: 1500 randomly selected Norwegians between the ages of 40 and 65 years were sent a short que...
| Autores principales: | , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2006
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1459867/ https://www.ncbi.nlm.nih.gov/pubmed/16646970 http://dx.doi.org/10.1186/1471-2288-6-19 |