增加新冠肺炎疫苗接种意愿:一项关于心理所有权的实地实验

IF 5.1 Q1 PSYCHOLOGY, APPLIED
Florian Keppeler, Martin Sievert, S. Jilke
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引用次数: 3

摘要

随着针对严重急性呼吸系统综合征冠状病毒2型病毒的拯救生命的疫苗越来越多,政府机构面临着促进疫苗接种的挑战。因此,鼓励接种疫苗标志着抗击新冠肺炎大流行的紧迫政策挑战。这项研究建立在心理所有权理论的基础上,设计了一个受行为启发的地方政府疫苗接种运动。我们进行了一项大规模的集群随机现场实验(N=27298名居民嵌套在6442个地址中),通过官方邮寄活动发送给德国一个市政当局的所有注册居民。该运动包括一项心理所有权干预措施,旨在提高居民接种疫苗的意愿——通过在市政网站上独特的链接点击来衡量,人们可以在该网站上安排新冠肺炎疫苗接种预约。研究结果表明,添加所有格代词(即“你的疫苗接种”)会使疫苗接种意向增加39%,即2.5个百分点(p<0.0001[95%CI=1.8%,3.3%],对照信:6.4%,治疗信:8.9%)。讨论概述了使用基于心理所有权的推动干预来增加疫苗接种和其他可取行为的价值。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Increasing COVID-19 vaccination intentions: a field experiment on psychological ownership
With the increasing availability of life-saving vaccines against the SARS-CoV-2 virus, government agencies face the challenge of promoting vaccine uptake. Thus, encouraging vaccine uptake marks an urgent policy challenge in fighting the COVID-19 pandemic. This study builds on the theory of psychological ownership to design a behaviorally inspired local government vaccination campaign. We conducted a large-scale, cluster-randomized field experiment (N = 27,298 residents nested in 6,442 addresses) delivered to all registered residents of a German municipality via an official mailing campaign. The campaign included a psychological ownership intervention designed to boost residents’ intentions to get vaccinated – measured through unique link clicks on a municipal website where people can schedule a COVID-19 vaccination appointment. Findings suggest that adding possessive pronouns (i.e., ‘YOUR vaccination’) increases vaccination intentions by 39%, or 2.5 percentage points (p < 0.0001 [95% CI = 1.8%, 3.3%], control letter: 6.4%, treatment letter: 8.9%). The discussion outlines the value of using psychological ownership-based nudge interventions to increase vaccine uptake and other desirable behaviors.
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CiteScore
7.90
自引率
2.00%
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