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Psychological foundation of human large social networks

Research Project

Project/Area Number 17H07229
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeSingle-year Grants
Research Field Social psychology
Research InstitutionAichi Shukutoku University

Principal Investigator

Hirashima Taro  愛知淑徳大学, 心理学部, 講師 (50803110)

Project Period (FY) 2017-08-25 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Fiscal Year 2018: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2017: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Keywords社会的ネットワーク / 心の理論 / アンサンブル認知 / 個人差 / コミュニティ / 社会的認知 / 社会性 / 社会的ネットワークサイズ / アンサンブル知覚 / 動機づけ / 社会心理学
Outline of Final Research Achievements

This study aimed to understand the psychological underpinnings of human large social networks. First, analyses revealed that individuals’ social networks were structured in several communities, and there were large individual differences. Second, I developed psychological tasks to measure the social cognitive function as a factor to explain the individual differences in social network structures. Furthermore, I examined relationships between the performance of the tasks and social network size and structures. The results suggested that the social cognitive function such as theory-of-mind may not work as the basis of a large-scale social network. However, there were no clear relationships between social cognitive function, such as ensemble perception of crowd’s gaze direction, and social network size and structures.

Academic Significance and Societal Importance of the Research Achievements

大規模な協力社会は人間の大きな特徴である。大規模な社会的ネットワークの心理基盤を明らかにすることは、人間社会の成り立ちの特徴を明らかにするだけでなく、多様性が明示化された現代社会において、他者との「違いを共に生きる」ために重要な検討課題である。従来の研究では、「他者の心を読み取る」認知機能が、大規模な社会的ネットワークの心理基盤と考えられてきたが、本研究の結果は、その想定を支持しないものであった。本研究は、広く受け入れられている理論的な想定を再考するきっかけとなる点で意義がある。

Report

(3 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Annual Research Report
  • Research Products

    (9 results)

All 2019 2018 2017

All Presentation (8 results) Book (1 results)

  • [Presentation] Putting yourself in the others’ shoes helps read their minds: Embodied cognition promotes reading facial expression of emotion2019

    • Author(s)
      Hayakawa, M., Hirashima, T., & Igarashi, T.
    • Organizer
      The 20th Annual Meeting of the Society for Personality and Social Psychology
    • Related Report
      2018 Annual Research Report
  • [Presentation] 日本語版Imposing Memory Task(IMT-J)の開発(1):心理測定学的特性の基礎的な検討2018

    • Author(s)
      平島 太郎・五十嵐 祐
    • Organizer
      日本社会心理学会第59回大会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 空間的視点取得による身体化が他者の心的状態の推測に及ぼす影響2018

    • Author(s)
      早川 美歩・平島 太郎・五十嵐 祐
    • Organizer
      日本社会心理学会第59回大会
    • Related Report
      2018 Annual Research Report
  • [Presentation] Are lone wolves more sociable than a wolf pack? Loneliness and friendship selection processes among first-year undergraduates2018

    • Author(s)
      Igarashi, T., Tamai, R., Yoshida, T., & Hirashima, T.
    • Organizer
      日本社会心理学会第59回大会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 社会関係が健康を高めるメカニズム(1):社会的ネットワーク・他者との身体接触・認知機能に着目した予備的検討2018

    • Author(s)
      平島 太郎・西村 律子
    • Organizer
      日本心理学会第82回大会
    • Related Report
      2018 Annual Research Report
  • [Presentation] Chasing stars and confirming alliance: Two effective strategies for learning social network structure2017

    • Author(s)
      Igarashi, T., Kato, J., Shiraki, Y., Hirashima, T., & Tamai, R.
    • Organizer
      The 2nd Australian Social Network Analysis Conference (ASNAC 2017)
    • Place of Presentation
      Charles Perkins Centre (Sydney, Australia)
    • Year and Date
      2017-11-28
    • Related Report
      2017 Annual Research Report
  • [Presentation] Generalized trust and generalized social selection processes in social networks2017

    • Author(s)
      Igarashi, T., & Hirashima, T.
    • Organizer
      日本社会心理学会第58回大会
    • Place of Presentation
      広島大学東広島キャンパス (広島県東広島市)
    • Year and Date
      2017-10-28
    • Related Report
      2017 Annual Research Report
  • [Presentation] Seeking a sense of power or security from personal communities: Motivational basis of community affiliation2017

    • Author(s)
      平島 太郎・五十嵐 祐
    • Organizer
      日本社会心理学会第58回大会
    • Place of Presentation
      広島大学東広島キャンパス (広島県東広島市)
    • Year and Date
      2017-10-28
    • Related Report
      2017 Annual Research Report
  • [Book] 心理学・社会科学研究のための構造方程式モデリング2018

    • Author(s)
      村上 隆、行廣 隆次、伊藤 大幸、谷 伊織、平島 太郎
    • Total Pages
      226
    • Publisher
      ナカニシヤ出版
    • ISBN
      9784779513022
    • Related Report
      2018 Annual Research Report

URL: 

Published: 2017-08-25   Modified: 2020-03-30  

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