Evaluation of the effects of an offer of a monetary incentive on the rate of questionnaire return during follow-up of a clinical trial: a randomised study within a trial
<strong>Background</strong> A systematic review on the use of incentives to promote questionnaire return in clinical trials suggest they are effective, but not all studies have sufficient funds to use them. Promising an incentive once data are returned can reduce the cost-burden of this...
| Main Authors: | , , |
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| Format: | Journal article |
| Language: | English |
| Published: |
BioMed Central
2016
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