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Effective but fragile? Responses to repeated nudge-based messages for preventing the spread of COVID-19 infection
The Japanese Economic Review ( IF 0.776 ) Pub Date : 2021-06-14 , DOI: 10.1007/s42973-021-00076-w
Shusaku Sasaki 1, 2 , Hirofumi Kurokawa 3 , Fumio Ohtake 2
Affiliation  

Nudge-based messages have been employed in various countries to encourage voluntary contact-avoidance and infection-prevention behaviors to control the spread of COVID-19. People have been repeatedly exposed to such messages; however, whether the messages keep exerting a significant impact over time remains unclear. From April to August 2020, we conducted a four-wave online survey experiment to examine how five types of nudge-based messages influence Japanese people’s self-reported preventive behaviors. In particular, we investigate how their behaviors are affected by repeated displays over time. The analysis with 4241 participants finds that only a gain-framed altruistic message, emphasizing their behavioral adherence would protect the lives of people close to them, reduces their frequency of going out and contacting others. We do not find similar behavioral changes in messages that contain an altruistic element but emphasize it in a loss-frame or describe their behavioral adherence as protecting both one’s own and others’ lives. Furthermore, the behavioral change effect of the gain-framed altruistic message disappears in the third and fourth waves, although its impact of reinforcing intentions remains. This message has even an adverse effect of worsening the compliance level of infection-prevention behaviors for the subgroup who went out less frequently before the experiment. The study’s results imply that when using nudge-based messages as a countermeasure for COVID-19, policymakers and practitioners need to carefully scrutinize the message elements and wording and examine to whom and how the messages should be delivered while considering their potential adverse and side effects.



中文翻译:

有效但脆弱?对防止 COVID-19 感染传播的重复轻推信息的回应

各国已采用基于助推的信息来鼓励自愿避免接触和预防感染的行为,以控制 COVID-19 的传播。人们一再接触到此类信息;然而,这些信息是否会随着时间的推移继续产生重大影响仍不清楚。从 2020 年 4 月到 2020 年 8 月,我们进行了四波在线调查实验,以检验五种基于助推的信息如何影响日本人自我报告的预防行为。特别是,我们调查了他们的行为如何随着时间的推移受到重复显示的影响。对 4241 名参与者的分析发现,只有强调他们的行为依从性的利他主义信息才能保护与他们亲近的人的生命,减少他们外出和与他人联系的频率。我们在包含利他元素的信息中没有发现类似的行为变化,但在损失框架中强调它或将其行为依从性描述为保护自己和他人的生命。此外,增益框架利他信息的行为改变效应在第三波和第四波中消失,尽管其强化意图的影响仍然存在。对于实验前外出频率较低的亚组,这一信息甚至会降低感染预防行为的依从性水平。该研究的结果表明,当使用基于微调的消息作为 COVID-19 的对策时,

更新日期:2021-06-14
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