Completion rates and non-response error in online surveys: Comparing sweepstakes and pre-paid cash incentives in studies of online behavior
作者：
Highlights：
• Pre-paid cash incentives were more effective than sweepstakes or no incentive.
• Sweepstakes produced a smaller effect compared to prepaid incentives.
• Incentive conditions attracted different types of respondents.
• Findings of social media studies may be affected by non-response error.
• Sweepstakes should be used with caution in online surveys of college students.
摘要
•Pre-paid cash incentives were more effective than sweepstakes or no incentive.•Sweepstakes produced a smaller effect compared to prepaid incentives.•Incentive conditions attracted different types of respondents.•Findings of social media studies may be affected by non-response error.•Sweepstakes should be used with caution in online surveys of college students.
论文关键词：Survey,Completion rate,Non-response error,Online surveys,Social networking
论文评审过程：Available online 22 February 2014.
论文官网地址：https://doi.org/10.1016/j.chb.2014.01.017
