Personnel Information

写真b

IWATANI SHUMA

Organization
School of Sociology Assistant Professor
Research Fields, Keywords
多元的無知, 文化, 集団規範
Teaching and Research Fields
専門は社会心理学・文化心理学で、人々の一見非合理的な行動に着目して研究を行っています。
詳細は下記のURLをご覧になってください。
https://researchmap.jp/siwatani
Syllabus information URL
https://syllabus.kwansei.ac.jp/uniasv2/UnSSOLoginControlFree?REQ_ACTION_DO=/AGA030PLS01Action.do?REQ_FUNCTION_JUMP_START_FLG=1&SLB_LINK_DISP_FLG=689&TCH_NO=240021&REQ_PRFR_FUNC_ID=AGA030
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Degree 【 display / non-display 】

  • Degree name:博士（社会心理学）
    Classified degree field:Humanities & Social Sciences / Social psychology
    Conferring institution:The University of Tokyo
    Acquisition way:Coursework
    Date of acquisition:2019.03

  • Degree name:修士（社会心理学）
    Classified degree field:Humanities & Social Sciences / Social psychology
    Conferring institution:The University of Tokyo
    Acquisition way:Coursework
    Date of acquisition:2016.03

  • Degree name:学士（文学）
    Classified degree field:Humanities & Social Sciences / Literature in general
    Conferring institution:The University of Tokyo
    Acquisition way:Coursework
    Date of acquisition:2014.03

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Career 【 display / non-display 】

  • Affiliation:The University of Tokyo
    Title:Assistant Professor
    Date:2021.04 - 2024.03

  • Affiliation:The University of Tokyo
    Title:Researcher
    Date:2019.04 - 2021.03

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Research Areas 【 display / non-display 】

  • Research field:Humanities & Social Sciences / Social psychology

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Papers 【 display / non-display 】

  • Language: Japanese
    Title: 市民は児童相談所と虐待をどのように捉えているか：質問紙調査に基づく検討
    Journal name: 法と心理  vol.25  (1)
    Date of publication: 2025.10
    Author(s): 向井智哉, 岩谷舟真, 貞村真宏, 田中晶子, 松木祐馬, 湯山 祥, 井奥智大, 綿村英一郎

    Type of publication: Research paper (scientific journal)

  • Title: Reputation promotes COVID-19 infection prevention behaviours especially among unvaccinated people and those who perceived a lower risk
    Journal name: ASIAN JOURNAL OF SOCIAL PSYCHOLOGY  vol.28  (3)
    Date of publication: 2025.09
    Author(s): Iwatani, S; Muramoto, Y

    DOI: 10.1111/ajsp.70036

    　 Show links to external sites

  • Language: English
    Title: Survey data on the international public’s perceptions of child maltreatment and related subjects
    Journal name: Data in Brief
    Date of publication: 2025.08
    Author(s): Tomoya Mukai, Tomohiro Ioku, Aki Akanmie, Yoshiko Habuchi, Yuma Matsuki, Shuma Iwatani, Akiko Tanaka, Yuki Yuyama, Eiichiro Watamura

    Type of publication: Research paper (scientific journal)

  • Language: Chinese
    Title: Comparing individual-level punitiveness across eight societies: a political economy regime perspective
    Journal name: International Journal of Comparative and Applied Criminal Justice  (p.1 - 18)
    Date of publication: 2025.07
    Author(s): Tomoya Mukai, Tomohiro Ioku, Aki Akamine, Yoshiko Habuchi, Yuma Matsuki, Shuma Iwatani, Akiko Tanaka, Yuki Yuyama, Eiichiro Watamura

  • Language: English
    Title: An exploratory study of decoding signs of child maltreatment: How case and reporter characteristics shape reporting decisions
    Journal name: Child Protection and Practice
    Date of publication: 2025.01
    Author(s): Tomohiro Ioku, Shuma Iwatani, Yuki Yuyama, Tomoya Mukai, Akiko Tanaka, Yuma Matsuki, Masahiro Sadamura, Eiichiro Watamura

    Type of publication: Research paper (scientific journal)

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Books 【 display / non-display 】

  • Title: 多元的無知 - 不人気な規範の維持メカニズム
    Publisher: 東京大学出版会
    Date of publication: 2023.12
    Author(s): 岩谷舟真, 正木郁太郎, 村本由紀子

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Presentations 【 display / non-display 】

  • Language:Japanese
    Conference name:中国四国心理学会第80回大会
    International/Domestic presentation:Domestic presentation
    Presentation date：2024.11.10
    Title:厳罰傾向の国際比較：９カ国のデータを用いた検討

  • Language:Japanese
    Conference name:日本心理学会第88回大会
    International/Domestic presentation:Domestic presentation
    Presentation date：2024.09.07
    Title:児童相談所に関する市民の態度についての調査
    Presentation type:Symposium, workshop panel (public)

  • Language:English
    Conference name:The 27th International Congress of International Association For Cross-Cultural Psychology
    International/Domestic presentation:International presentation
    Presentation date：2024.08.06
    Title:How concern about career change’s negative impact affects anticipated regret and career exploration: A survey study in Japan
    Presentation type:Poster presentation

  • Language:English
    Conference name:33rd International Congress of Psychology
    International/Domestic presentation:International presentation
    Presentation date：2024.07.25
    Title:Impact of two types of anticipated regret on exploration: Choosing among too many or too few options
    Presentation type:Oral presentation (general)

  • Language:English
    Conference name:the 46th Annual Conference of the Cognitive Science Society
    International/Domestic presentation:International presentation
    Presentation date：2024.07.25
    Title:Do default nudges lead people to make choices inconsistent with their preferences: An experimental investigation
    Presentation type:Poster presentation

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Social Contribution 【 display / non-display 】

  • Title:暗黙のルールはなぜ変わらない？「多元的無知」から考える
    Date：2024.10

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