外国語が道徳的決定におけるメタ推論に与える影響
Zhimin Hu1,2, Beatriz Martín-Luengo3,4, Eduardo Navarrete1
1Department of Developmental Psychology and Socialisation, University of Padua, Italy.
Journal of cognition
|January 12, 2026
まとめ
外国語の使用は道徳的な決定を変えないかもしれないが、メタ認知には影響を与える。新しい言語での推論は、正しさの感覚を低下させ、不確実性を高め、より多くの分析を促す。
科学分野:
- 認知心理学;言語学;神経科学
背景:
- 道徳的外国語効果(mFLE)理論は、外国語の使用が感情性を低下させ、分析的推論を強化することによって功利主義を促進すると示唆している。;認知制御とモニタリングにおける重要性にもかかわらず、mFLEにおけるメタ認知の役割は十分に探求されていない。
研究 の 目的:
- 道徳的意思決定におけるメタ認知プロセスに対する外国語使用の影響を調査すること。;外国語での推論は正しさの感覚(FOR)を低下させ、不確実性と再評価を高めるという仮説を検証すること。
主な方法:
- ネイティブ言語と外国語での道徳的ジレンマへの応答を比較するために、決定-再決定パラダイムを使用した。;線形混合効果モデルを使用して、決定、決定時間、再決定時間、FOR、最終的な確信度(FJC)、および逆転への影響を分析した。;言語能力をモデレーターとして調査した。
主要な成果:
- 道徳的な決定または傾向に関して、有意なmFLEは見つからなかった。;外国語の使用は、決定時間を有意に増加させ、FORとFJCを低下させ、決定の逆転を増加させた(研究1)。;低いFORは、より長い再決定時間と高い逆転確率と一貫して相関しており、分析的思考の強化を示している。
結論:
- 外国語の使用は、中心的な道徳的判断を変化させるのではなく、メタ認知のモニタリングと制御に影響を与える。;調査結果は、言語能力とジレンマの種類がメタ認知に対するmFLEの効果を微妙に調整する可能性があることを示唆している。;この研究は、多言語的意思決定における認知およびメタ認知プロセスに対する言語の影響を強調している。
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