彩票激励对回答率和数据质量的影响:来自传统消费者有机食品消费调查的证据

S. Islam
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引用次数: 0

摘要

不同形式和不同阶段的激励被用于激励人们参与人体受试者研究。虽然人们普遍认为,激励措施总体上对提高参与率有积极作用,并被广泛使用,但也有例外,即激励措施可能不会提高响应率,甚至可能污染数据质量,导致研究结果不佳。本研究考察了在传统消费者面对面调查有机食品消费承诺彩票激励前和披露后对回答率和数据质量的影响。一项调查是在加拿大艾伯塔省埃德蒙顿的四家传统杂货店进行的。在随机接近并同意的受访者中,有一半在开始时被告知彩票奖励,另一半在结束时被告知。数据质量是用三个指标来衡量的——编辑率、归算率和不完整答案的比例。我们的研究发现,在披露承诺的彩票付款之前和之后,反应率几乎没有差异。然而,在彩票披露后,不完整问卷的可用性显著高于披露前。我们的研究还表明,喜欢有机食品并经常购买有机食品的人可能会提供更高质量的信息。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
IMPACT OF LOTTERY INCENTIVE ON RESPONSE RATE AND DATA QUALITY: EVIDENCE FROM ORGANIC FOOD CONSUMPTION SURVEY OF CONVENTIONAL SHOPPERS
Incentives of different forms and at different stages are used for motivating people to participate in human subject research. Although it is widely accepted that incentives, in general, play a positive role in increasing participation rate and are widely used, there are exceptions that they may not increase response rate and may even contaminate the quality of data resulting in poor research findings. This study examines the impact of pre- and post-disclosed committed lottery incentives on response rate and data quality in a face-to-face survey of conventional consumers for organic food consumption. A survey was conducted at the premises of four conventional grocery stores in Edmonton, Alberta, Canada. Half of the randomly approached and agreed upon respondents were disclosed the lottery incentives at the beginning, and the rest half were told at the end. Data quality was measured using three indicators – edit occurrences, imputation occurrences, and proportion of incomplete answers. Our study finds little difference in response rate between pre- and post-disclosed committed lottery payments. However, the useability of incomplete questionnaires among post-disclosed lottery was significantly higher than those of pre-disclosed. Our study also shows that people with likings of organic food and buying organic food more frequently are likely to offer a better quality of information.
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