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Updated: Jan 20, 2026
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Introspection Illusion: Reason-Analysis Impairs Decision-Making
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情報操作と非民主的な決定
Alexander J Stewart1, Mohsen Mosleh2, Marina Diakonova3
1Department of Biology and Biochemistry, University of Houston, Houston, TX, USA. astewar6@central.uh.edu.
Nature
|September 6, 2019
まとめ
ネットワーク構造は"情報操作"によって 集団の意思決定を歪めることができます 戦略的に配置された熱心派と ネットワークのデザインは 投票結果に偏りがあり 大きなグループでも 合意を妨げます
科学分野:
- 社会科学
- ネットワーク科学
- コンピュータ社会科学
背景:
- 集団的意思決定は,様々な情報源からの情報を統合することに依存しています.
- 情報の流れは,しばしばソーシャルネットワークによって制限され,ボットや熱心者によって操作されやすい.
- ネットワーク構造が集団的成果にどのように影響するか理解することは 民主的プロセスにとって極めて重要です
研究 の 目的:
- 集団的意思決定における情報マネジメントの現象をモデル化し分析する.
- ネットワークのトポロジと 影響力のあるエージェントの戦略的な配置が 投票結果にバイアスを及ぼすかを調査する.
- 実験的な社会ネットワークと現実の社会ネットワークの両方で情報マネジメントを特定し,定量化します.
主な方法:
- 投票者ゲームモデルの開発 影響力ネットワークのプレイヤー
- 情報操作の原理を解明する 数学分析
- 理論的な予測を検証するために 2,520人の被験者を対象としたソーシャルネットワークの実験です
- オンラインの政治討論や立法データを含む現実世界のネットワークの分析
主要な成果:
- ネットワーク構造による情報操作は 党の規模と影響力が等しい場合でも 集団的決定に影響を与えます
- 戦略的に配置された熱狂者は 情報の操作と偏見を誘導します
- 実験データによって 予測された情報操作の効果が確認されました
- オンラインの政治討論や過去の立法データで 情報の操作が確認された.
結論:
- 影響力のネットワークの構造は 集団的な意思決定を 体系的に歪めることができます
- 情報操作は 集団の知性の弱点であり 戦略的アクターに 搾取されうるものです
- 広範囲にわたる情報操作は 集団の行き詰まりにつながり 合意が妨げられ 社会的なジレンマを招きます
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