Effects of a Financial Incentive on Health Researchers’ Response to an Online Survey: a Randomized Controlled Trial

BackgroundNonresponse to questionnaires can affect the validity of surveys and introduce bias. Offering financial incentives can increase response rates to postal questionnaires, but the effect of financial incentives on response rates to online surveys is less clear....

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Bibliographic Details
Main Authors: Wilson, Paul M, Petticrew, Mark, Calnan, Mike, Nazareth, Irwin
Format: Article
Language:English
Published: JMIR Publications 2010-05-01
Series:Journal of Medical Internet Research
Online Access:http://www.jmir.org/2010/2/e13/