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2019 Fiscal Year Final Research Report

Schadenfreude and altruism: an evolutionary psychological study

Research Project

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Project/Area Number 17K13905
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Social psychology
Research InstitutionWaseda University (2018-2019)
Tokyo Seitoku University (2017)

Principal Investigator

Tatsunori Ishii  早稲田大学, 理工学術院, 次席研究員(研究院講師) (40708989)

Project Period (FY) 2017-04-01 – 2020-03-31
Keywordsシャーデンフロイデ / 罰 / 攻勢 / 利他主義 / 協力
Outline of Final Research Achievements

Schadenfreude refers to pleasure at another person’s misfortune. The purpose of this study was to examine the hypothesis that schadenfreude originates in the pleasurable feelings that follow achieving punishment for a person who violates the social norm. I measured the motivation to punish the unfair by the Sanction Behavioral Propensity Scale (Morimoto et al., 2006) and the Retribution Belief Scale (Gerber & Jackson, 2013). I then measured schadenfreude in a variety of unfortunate situations (e.g., failure in a job interview, being sentenced to imprisonment for an injury). The results show that the motivation to suffer the unfair, rather than the motivation to seek social justice, consistently predicts schadenfreude positively.

Free Research Field

社会心理学

Academic Significance and Societal Importance of the Research Achievements

シャーデンフロイデとは、他者の不幸を喜ぶ感情のことであり、一般には非道徳的な感情であるとされることも多い。しかしながら本研究の結果は、この感情が、ヒトの協力的な社会の維持に必要な「規範違反者への罰」に関わり、社会にとって不可欠な心的仕組みに由来している可能性を示した。このことはシャーデンフロイデという感情の再評価を促すとともに、この感情には進化心理学的に裏付けられた社会的機能があることを示唆するものである。

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Published: 2021-02-19  

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