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Moral as a solution to coordination problems: An examination with agent-based evolutionary simulation

Research Project

Project/Area Number 16K13462
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Social psychology
Research InstitutionKeio University

Principal Investigator

Hiraishi Kai  慶應義塾大学, 文学部(三田), 准教授 (50343108)

Co-Investigator(Kenkyū-buntansha) 池田 功毅  中京大学, 心理学部, 助教 (20709240)
小田 亮  名古屋工業大学, 工学(系)研究科(研究院), 教授 (50303920)
Project Period (FY) 2016-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2018: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2017: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2016: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Keywords道徳 / 進化シミュレーション / コーディネーション問題 / 正直な信号 / 進化心理学 / 非難 / 称賛 / コストリーシグナル / 進化 / 社会系心理学 / シミュレーション
Outline of Final Research Achievements

What is moral? and what is the right conduct? We took the Dynamic Coordination Theory that proposed that the essence of moral lies in its impartiality and publicity and not in its content (e.g., fairness, purity, etc). Put differently, for a moral standard to function properly, everyone must be judged by the moral standard regardless of his/her gender, age, status, etc. We conducted several agent based evolutionary simulations to examine the boundary conditions for such a moral to evolve. It was suggested that when individuals make moral assertions at a certain cost, and others take the costly assertions as a reliable signal of the "rightness" of the message, the "moral" can evolve.

Academic Significance and Societal Importance of the Research Achievements

本研究から、道徳的主張(称賛や非難)の本質的な機能は、集団内で対立する陣営に対して自陣営の優勢を得ることにあり、主張の内容そのものの正しさへの信念は必ずしも重要でないことが示唆される。学術的には、従来の主流である「道徳内容の適応的意義」から道徳進化を探るアプローチに対して、全く異なる視点を提供するものである。また社会的には、ソーシャルネットワークにおける「炎上」など、道徳的な非難が急速に広まる現象を理解する上で、新たな視座を提供するものと言えるだろう。

Report

(5 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Research Products

    (19 results)

All 2019 2018 2017 2016

All Journal Article (5 results) (of which Int'l Joint Research: 3 results,  Peer Reviewed: 5 results,  Open Access: 4 results,  Acknowledgement Compliant: 1 results) Presentation (12 results) (of which Int'l Joint Research: 1 results) Book (2 results)

  • [Journal Article] Effects of Observed Counterfactual on Prosocial Lying: A Preliminary Report2018

    • Author(s)
      Ryo Oda, Motoki Kato, Kai Hiraishi
    • Journal Title

      Letters on Evolutionary Behavioral Science

      Volume: 9 Issue: 2 Pages: 5-8

    • DOI

      10.5178/lebs.2018.66

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Effect of being conscious of others on moral condemnation2017

    • Author(s)
      Oda, Ryo
    • Journal Title

      Letters on Evolutionary Behavioral Science

      Volume: 8 Issue: 1 Pages: 20-23

    • DOI

      10.5178/lebs.2017.58

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Major personality traits and regulations of social behavior: Cheaters are not the same as the reckless, and you need to know who you’re dealing with2016

    • Author(s)
      Fiddick, L., Brase, G. L., Ho, A. T., Hiraishi, K., Honma, A.,Smith, A.
    • Journal Title

      Journal of Research in Personality

      Volume: 62 Pages: 6-18

    • DOI

      10.1016/j.jrp.2016.02.007

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] The watching eyes effect on charitable donation is boosted by fewer people in the vicinity2016

    • Author(s)
      Ryo Oda, Ryota Ichihashi
    • Journal Title

      Letters on Evolutionary Behavioral Science

      Volume: 7 Issue: 2 Pages: 9-12

    • DOI

      10.5178/lebs.2016.52

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] Effects of eye images and norm cues on charitable donation: A field experiment in an izakaya.2016

    • Author(s)
      Ryo Oda & Ryota Ichihashi
    • Journal Title

      Evolutionary Psychology

      Volume: 14 Issue: 4 Pages: 1-6

    • DOI

      10.1177/1474704916668874

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] A Collection of Replication Attempts in Japan: Mating, Family, Survival, and Social exchange.2019

    • Author(s)
      Kai Hiraishi, Masataka Higuchi, Yoshitsugu Fujishima, and Asako Miura
    • Organizer
      Human Behavior and Evolution Society 31st Annual Conference
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 制御幻想の強さは他者の影響を受けるか?2019

    • Author(s)
      和田脩平・小田亮・平石界
    • Organizer
      日本人間行動進化学会第12回大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 他者の存在は道徳的非難の強さに影響するか?2019

    • Author(s)
      増田樹・小田亮・平石界
    • Organizer
      日本人間行動進化学会第12回大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 主張の受けとめられ方はコストのかかる信号によって影響されるのか?2019

    • Author(s)
      平田皓大・小田亮
    • Organizer
      日本人間行動進化学会第12回大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] コストのかかる旗としての道徳(3):頑固な態度は進化するか2018

    • Author(s)
      平石界・池田功毅・横田晋大・中西大輔・小田亮
    • Organizer
      日本人間行動進化学会
    • Related Report
      2018 Research-status Report
  • [Presentation] 「道徳的な」主張の強さは他者の存在に影響されるのか?2018

    • Author(s)
      和田脩平・平石界・小田亮
    • Organizer
      日本人間行動進化学会
    • Related Report
      2018 Research-status Report
  • [Presentation] コストのかかる信号としての主張の強さを測定する2018

    • Author(s)
      小田亮・平石界
    • Organizer
      日本人間行動進化学会
    • Related Report
      2018 Research-status Report
  • [Presentation] コストのかかる旗としての道徳(2)2017

    • Author(s)
      平石界, 横田晋大, 池田功毅, 中西大輔, 小田亮
    • Organizer
      日本人間行動進化学会第10回大会
    • Related Report
      2017 Research-status Report
  • [Presentation] 利他主義者の見極めは分析的か?2017

    • Author(s)
      森島航介, 花島夏紀, 平石界, 小田亮
    • Organizer
      日本人間行動進化学会第10回大会
    • Related Report
      2017 Research-status Report
  • [Presentation] 「道徳的」主張の強さは他者の存在によって変わるのか?2017

    • Author(s)
      禰宜田一雅, 花島夏紀, 平石界, 小田亮
    • Organizer
      日本人間行動進化学会第10回大会
    • Related Report
      2017 Research-status Report
  • [Presentation] 「公平」へのダーウィン的まなざし2017

    • Author(s)
      平石界
    • Organizer
      日本発達心理学会第29回大会
    • Related Report
      2017 Research-status Report
  • [Presentation] Moral as costly flag: A preliminary analysis with evolution simulation.2016

    • Author(s)
      Hiraishi, K., Yokota, K., Ikeda, K., Nakanishi, D., and Oda, R.
    • Organizer
      日本人間行動進化学会第9回大会
    • Place of Presentation
      金沢市文化ホール(石川県・金沢市)
    • Year and Date
      2016-12-10
    • Related Report
      2016 Research-status Report
  • [Book] 道徳教育はこうすれば〈もっと〉おもしろい2019

    • Author(s)
      荒木寿友・藤澤文(編著)小田亮(分担執筆)
    • Total Pages
      288
    • Publisher
      北大路書房
    • ISBN
      9784762830891
    • Related Report
      2019 Annual Research Report
  • [Book] モラル・サイコロジー - 心と行動から探る倫理学 第一章2016

    • Author(s)
      太田 紘史(編著), 小田 亮 , 田中 泉吏, 飯島 和樹, 永守 伸年, 信原 幸弘, 片岡 雅知, 立花 幸司, 吉田 敬
    • Total Pages
      456
    • Publisher
      春秋社
    • Related Report
      2016 Research-status Report

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Published: 2016-04-21   Modified: 2021-02-19  

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