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. 2003 Sep-Oct;38(5):437-41.
doi: 10.1093/alcalc/agg107.

Incentives to increase participation in an Internet survey of alcohol use: a controlled experiment

Kypros Kypri  1 , Stephen J Gallagher
Affiliations

Incentives to increase participation in an Internet survey of alcohol use: a controlled experiment

Kypros Kypri et al. Alcohol Alcohol. 2003 Sep-Oct.

Abstract

Aims: To examine the use of the Internet in a survey of drinking among students, and the effectiveness of incentives to encourage participation.

Methods: In a survey of drinking in university students, a random sample of 160 students were randomly assigned to one of four token incentive conditions. All received posted invitations, and reminders by e-mail and telephone.

Results: Overall response was 85% and did not differ significantly by incentive condition.

Conclusion: Internet surveys are effective in obtaining alcohol use information from students. Minimal incentives may suffice if coupled with intensive follow-up.

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