告発的な尋問における自己規制の減少のメカニズム
Amber Heemskerk1, Laura Smalarz1, Stephanie Madon1
1School of Interdisciplinary Forensics, Arizona State University, Glendale, AZ 85306, USA.
Behavioral sciences (Basel, Switzerland)
|August 28, 2025
まとめ
告発的な尋問のプレッシャーは 意思決定のストレスや疲労のように 容疑者の自己規制のリソースを枯渇させ 刑事捜査の過程で合理的な意思決定を妨げます この研究は 尋問戦術と自己コントロールの低下を 関連づける理論を裏付けています
科学分野:
- 心理学
- 法医学心理学
- 社会心理学
背景:
- 犯罪の捜査では 告白が重要ですが 容疑者の告白に 影響する心理的要因は まだ十分に調査されていません
- これらの要素を理解することは 公正で正確な法的手続きを確保するために 極めて重要です
研究 の 目的:
- 告発的な尋問における状況的な圧力が 容疑者の自己規制のリソースを 枯渇させるという仮説を調査する
- 意思決定の圧力,疲労,既存の自己規制準備の枯渇の特定のメカニズムを調査する.
主な方法:
- 2つの実験 (N=154,N=486) で,参加者は,操作された尋問条件 (意思決定の圧力,疲労,またはどちらも) の下で過去の行動について議論しました.
- 自己調節能力は,解けないアナグラムタスクを用いてインタビュー後に評価された.
- 実験2では 面接前の自己調節的な減量作業のタイミングを操作しました
主要な成果:
- 意思決定のプレッシャーは 単独でも 疲労と組み合わせても 自己規制の減少と関連していました
- 疲労だけでは自己調節能力を有意に低下させなかった.
- 実験的に自己規制の準備が 告白の決定に与える影響については 証拠は見つかりませんでした
結論:
- 告発的な尋問における状況的圧力 特に意思決定の圧力により 容疑者の自己規制機能が損なわれることがあります
- これらの発見は,尋問戦術がどのように自己規制の低下につながり,潜在的に告白の結果に影響を与えるかを説明する心理学的理論に実証的支持を提供します.
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