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関連する概念動画

Framing Effects03:26

Framing Effects

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Information is everywhere and its presentation—such as how and when items are presented—can impact our perceptions and decisions surrounding the info. This broad concept umbrellas framing effects—influences that occur due to the way information is framed in its appearance, whether it’s purely the order or the specific wording of a message. Let’s take a look at numerous ways in which two versions of something can objectively say the same thing, yet we respond in...
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Attitude is our evaluation of a person, an idea, or an object. We have attitudes for many things ranging from products that we might pick up in the supermarket to people around the world to political policies. Typically, attitudes are favorable or unfavorable: positive or negative (Eagly & Chaiken, 1993). And, they have three components: an affective component (feelings), a behavioral component (the effect of the attitude on behavior), and a cognitive component (belief and knowledge;...
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Measuring the Subjective Value of Risky and Ambiguous Options using Experimental Economics and Functional MRI Methods
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リスク選好におけるフィードバック誘発的態度変化

Antonios Nasioulas1,2, Elise Potier3, Fabien Cerrotti4,5

  • 1Département d'Études Cognitives, Ecole Normale Supérieure, Université de Recherche Paris Sciences et Lettres, Paris, France. nasioulas@ens.fr.

Nature communications
|January 13, 2026
PubMed
まとめ
この要約は機械生成です。

選択後のアウトカムフィードバックは、意思決定の精度を高めることなく、一貫してリスクテイキング行動を増加させる。この効果は、経験した結果からの学習ではなく、好奇心や予期される後悔といった態度の変化に起因する。

キーワード:
フィードバックリスクテイキング意思決定行動経済学好奇心後悔

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科学分野:

  • 認知心理学
  • 行動経済学
  • 神経科学

背景:

  • 規範的決定理論では、フィードバックは完全に記述されたくじに対する選好を変更しないと仮定されている。
  • 経験的証拠はフィードバックがリスクテイキングに影響を与えることを示しているが、メカニズムに関するコンセンサスは欠如している。

研究 の 目的:

  • リスク下での意思決定に対するフィードバック効果の学習仮説と態度仮説を分離すること。
  • リスクテイキングにおけるフィードバック誘発的変化を駆動する認知的メカニズムを調査すること。

主な方法:

  • 様々なフィードバック条件でリスク下での意思決定を含む7つの行動実験を実施した。
  • 経験前および経験後の効果を区別するために、微細な時間的分析を採用した。
  • 部分的フィードバックと完全なフィードバックの影響を調査した。

主要な成果:

  • フィードバックは一貫してリスクテイキングを増加させたが、意思決定の最大化は改善しなかった。
  • 時間的分析は、フィードバックの影響がアウトカム経験に先行することを示唆しており、学習仮説に疑問を投げかけている。
  • 部分的フィードバックは好奇心によりリスクテイキングを増加させ、完全なフィードバックは予期される後悔によりリスクテイキングを増加させた。

結論:

  • フィードバックは、学習ではなく、主に態度のメカニズムを通じて意思決定にバイアスをかける。
  • 好奇心と予期される後悔は、フィードバック後のリスクテイキング増加の主要な態度の駆動要因である。
  • これらの態度の変化を理解することは、リスク下での意思決定を説明するために重要である。