関連する実験動画
Updated: Feb 20, 2026

07:07
Errors as a Means of Reducing Impulsive Food Choice
Published on: June 5, 2016
9.3K
過剰な自信は過剰な取引の危険因子ですか?
Étienne Gagnon1,2, Isabelle Giroux3,4, Serge Sévigny5,4
1École de psychologie, Université Laval, GRIF-Jeu, Quebec City, Canada. etiennegagnon11@ulaval.ca.
Journal of gambling studies
|February 18, 2026
まとめ
取引パフォーマンスの過大評価は,個人投資家間の過剰な取引のリスクを高めます. ギャンブルに似たこの認知的歪みは,問題のある金融意思決定の重要な要因を強調しています.
科学分野:
- 行動金融は,行動金融に基づいている.
- 認知心理学とは,認知心理学である.
- 金融市場 金融市場 金融市場とは
背景:
- ギャンブルと取引は,リスクを共有し,過剰な行動の可能性があります.
- ギャンブルにおけるコントロールの幻想のような認知的歪みは,過剰な取引においてあまり研究されていない.
- 過剰な自信は,過大評価,過度の配置,過度の精度を含む,過剰な取引における潜在的認知的要因です.
研究 の 目的:
- 金融意思決定のシミュレーションに対する過度の信頼と過剰な取引リスクとの関連性を調査する.
- テクニカルアナリスト取引における過大評価と過位配置が,過剰な取引の可能性とどのように関係しているかを調べる.
主な方法:
- 技術分析を用いた70人の個人投資家が,模擬取引作業に参加しました.
- 過剰評価と過剰配置は,シミュレート取引中に評価されました.
- 過剰な取引リスクは,適応された問題ギャンブル重症指数を使用して測定されました.
主要な成果:
- オーバープレイスメントではなく,過大評価で,過剰取引のリスクが低いか高いかによって,投資家が大幅に差異化しました.
- シミュレート取引における過大評価のレベルが高くなるのは,中等から高い程度の過剰な取引リスクの可能性が高いことと相関していた.
- 発見は,認知的歪みがリスクを増加させる問題ギャンブルに関する研究と一致しています.
結論:
- 過大評価は,個人投資家の過剰な取引リスクに関連する重要な認知的要因です.
- この調査結果は,過剰な取引を緩和するために,過剰な自信を標的とした潜在的な介入を示唆しています.
- 測定ツールと意思決定タスクの適応を模索し,過剰な取引リスク要因の理解を深めるためのさらなる研究が必要です.
関連する概念動画
Unrealistic Optimism Bias
259
Unrealistic optimism bias is the tendency to overestimate the likelihood of positive outcomes. This cognitive bias makes individuals believe they are less likely to experience failures, setbacks, or risks and more likely to succeed than others. For example, people may assume they are less prone to health issues, accidents, or financial struggles than their peers, even when they share similar risk factors.One key component of this bias is the above-average effect, where individuals perceive...
259
Hindsight Biases
4.3K
Hindsight bias leads you to believe that the event you just experienced was predictable, even though it really wasn’t. In other words, you knew all along that things would turn out the way they did. Can you relate this to the phrase "Hindsight is 20/20" now?
4.3K
Self-Serving Bias
254
Self-serving bias is a cognitive phenomenon in which individuals attribute positive outcomes to internal factors such as their abilities, intelligence, or effort while attributing negative outcomes to external circumstances. This cognitive distortion helps maintain self-esteem but can also impede objective self-assessment.Theoretical Explanations of Self-Serving BiasTwo primary theories explain the self-serving bias: the cognitive explanation and the motivational explanation.The cognitive...
254
The Anchoring-and-Adjustment Heuristic
7.8K
In order to make good decisions, we use our knowledge and our reasoning. Often, this knowledge and reasoning is sound and solid. However, sometimes, we are swayed by biases or by others manipulating a situation. For example, let’s say you and three friends wanted to rent a house and had a combined target budget of $1,600. The realtor shows you only very run-down houses for $1,600 and then shows you a very nice house for $2,000. Might you ask each person to pay more in rent to get the...
7.8K
Introspection
357
Introspection, long upheld as a reliable route to self-knowledge, involves examining one's thoughts, emotions, and mental processes. It underpins many psychological practices, from mindfulness meditation to psychotherapy and self-help strategies. However, empirical evidence challenges the accuracy of introspection as a means of understanding oneself.Limitations of Introspective InsightSeminal work by Nisbett and Wilson demonstrated that individuals are frequently unaware of the true causes...
357
Reason and Intuition
7.6K
The human brain processes information for decision-making using one of two routes: an intuitive system and a rational system (Epstein, 1994; popularized by Kahneman, 2011 as System 1 and System 2, respectively). The intuitive system is quick, impulsive, and operates with minimal effort, relying on emotions or habits to provide cues for what to do next, while the rational system is logical, analytical, deliberate, and methodical. Research in neuropsychology suggests that the...
7.6K

