地域社会や市民団体におけるグループ内好み,隔離,グループ間接触
Kasimir Dederichs1, Rob Franken2, Dingeman Wiertz3
1Nuffield College, University of Oxford, New Road, Oxford OX1 1NF, United Kingdom.
PNAS nexus
|September 4, 2025
まとめ
個人は自分と同じような人と 付き合うことを強く好み 社会的隔離を促します 集団内での好みは様々な環境とアイデンティティの次元に広がり,集団間の接触と脱離の努力を妨げています.
科学分野:
- 社会心理学
- 社会学
- 行動経済学
背景:
- 社会的隔離は不平等を永続させ 社会的な連帯性を低下させます
- グループ内での好み 弱いものでも 隔離を起こすことができます
- 社会的文脈やアイデンティティの次元によってグループ内での好みがどのように変化するかについては,理解は限られている.
研究 の 目的:
- 異なる社会環境におけるグループ内偏好の流行と強さを調査する.
- 集団内での好みを,分離に影響を与える他の要因から隔離する.
- グループ内での好みが年齢,民族,教育によってどのように異なるかを調べる.
主な方法:
- 3つの大規模な,事前に登録された共同実験を行いました.
- 地域や市民団体に関する選択を分析した.
- サンプルサイズ:N1=2,733,N2=2,743,N3=2,707
主要な成果:
- 地域社会や市民団体の選択において 強いグループ内好みを特定した.
- 年齢,民族,教育といった アイデンティティのあらゆる側面において これらの好みを観察した.
- グループ内での好みは,現実の世界でのアウトグループへの接触が最小の個人に最も顕著でした.
- グループ間の接触の期待される強さとは相関関係がない.
- 低学歴の個人は,教育に基づいたグループ内偏好を示さなかった.
結論:
- グループ内での好みは 社会的ダイナミクスに浸透する要因です
- これらの偏好は,グループ間の接触と成功する分離への大きな障壁です.
- 将来の脱離戦略は,グループ内の好みの強力な影響を考慮する必要があります.
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