The effect of conducting a lottery on questionnaire response rates: A randomised controlled trial
- 1 October 2002
- journal article
- clinical trial
- Published by Springer Nature in European Journal of Epidemiology
- Vol. 18 (10) , 941-944
- https://doi.org/10.1023/a:1025826921030
Abstract
Aim: To study the effect of a lottery incentive on questionnaire response rate. Material and methods: In Copenhagen County, Denmark, a random sample of 2543 men and women between the ages of 19 and...Keywords
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