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相关概念视频

Framing Effects03:26

Framing Effects

7.9K
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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Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches01:23

Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches

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Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast,...
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Relative Risk01:12

Relative Risk

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Relative risk (RR) is a statistical measure commonly used in epidemiology to compare the likelihood of a particular event occurring between two groups. This metric is important for evaluating the relationship between exposure to a specific risk factor and the probability of a particular outcome. It plays a crucial role in medical research, public health studies, and risk assessment. Relative risk quantifies how much more (or less) likely an event is to occur in an exposed group compared to an...
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Attitudes01:54

Attitudes

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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;...
32.7K
Confirmation Biases01:31

Confirmation Biases

7.6K
The confirmation bias is the tendency to focus on information that confirms our existing beliefs and ignore information that is inconsistent with our expectations. For example, if you think that your professor is not very nice, you notice all of the instances of rude behavior exhibited by the professor while ignoring the countless pleasant interactions he is involved in on a daily basis. Have you ever fallen prey to the confirmation bias, either as the source or target of such bias?
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Motivational Bias01:25

Motivational Bias

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Cognitive bias results from limitations in thinking and information processing, leading to systematic errors in judgment. Conversely, motivational bias stems from personal desires or emotions, causing distortions in perception to align with self-interest. Motivational bias influences how individuals perceive and attribute causes to events, often shaped by personal needs, goals, and self-esteem preservation. This bias can distort judgment, leading to inaccurate assessments of success, failure,...
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Updated: Jan 15, 2026

Measuring the Subjective Value of Risky and Ambiguous Options using Experimental Economics and Functional MRI Methods
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Measuring the Subjective Value of Risky and Ambiguous Options using Experimental Economics and Functional MRI Methods

Published on: September 19, 2012

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反引起的风险偏好的态度变化.

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
概括
此摘要是机器生成的。

选择后的结果反始终会增加冒险行为,但不会增加决策准确性. 这种效应源于态度的变化,如好奇心和预期的后悔,而不是从经历的结果中学习.

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Assessment of Social Transmission of Food Preferences Behaviors
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Assessment of Social Transmission of Food Preferences Behaviors

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Online Repetitive Transcranial Magnetic Stimulation of Dorsomedial and Dorsolateral Prefrontal Cortex in Cognition Decision Making, and Cognitive Dissonance
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相关实验视频

Last Updated: Jan 15, 2026

Measuring the Subjective Value of Risky and Ambiguous Options using Experimental Economics and Functional MRI Methods
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Published on: September 19, 2012

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Assessment of Social Transmission of Food Preferences Behaviors

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科学领域:

  • 认知心理学 认知心理学
  • 行为经济学是一种行为经济学.
  • 神经科学是一个神经科学.

背景情况:

  • 规范性决策理论假设反不会改变对完整描述的彩票的偏好.
  • 经验证据表明,反影响风险承担,但对机制缺乏共识.

研究的目的:

  • 解开反影响在风险下决策的学习和态度假设.
  • 调查驱动反诱导的风险承担变化的认知机制.

主要方法:

  • 进行了七项行为实验,涉及风险下与不同反条件的决策.
  • 采用细粒度的时间分析来区分经验前和经验后的影响.
  • 检查了部分反与完整反的影响.

主要成果:

  • 反始终增加了风险承担,但没有改善决策最大化.
  • 时间分析表明,反的影响在结果体验之前,挑战了学习假设.
  • 部分反增加了由于好奇心而采取的风险;完全反增加了由于预期的遗憾.

结论:

  • 反偏见的决策主要通过态度机制,而不是学习.
  • 好奇心和预期的后悔是增加风险承担后反的关键态度驱动因素.
  • 了解这些态度转变对于解释风险下决策至关重要.