Japanese Journal of Risk Analysis
Online ISSN : 2435-8436
Print ISSN : 2435-8428
Original Article
A Pitfall of Nudging by Descriptive Norms on Disaster Preparedness
Taku OZAKIKazuya NAKAYACHI
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JOURNALS OPEN ACCESS

2021 Volume 30 Issue 2 Pages 101-110

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Abstract

A nudge by descriptive norms is one of the most effective interventions to promote disaster preparedness. However, it can have negative consequences that unintendedly repress the desired mitigation, especially in Japan. We hypothesized that the pitfall emerges within the boundary conditions of the attitudes towards preparedness. Descriptive norms inform people about preparedness behaviors; a certain number of people do not prepare and this can be a cause of the side effect of descriptive norms among people holding negative attitudes towards disaster preparedness. We examined the negative effects of descriptive norms on disaster preparedness behaviors, which are drawn from a wide variety of preparedness behaviors with various levels of descriptive norms. A pre-registered experiment confirmed the superiority of the interaction effect model over the model without interaction; descriptive norms backfired among people with negative attitudes. The practical and theoretical implications were also discussed.

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© 2021 The Society for Risk Analysis, Japan

この記事はクリエイティブ・コモンズ [表示 4.0 国際]ライセンスの下に提供されています。
https://creativecommons.org/licenses/by/4.0/deed.ja
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