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Related Concept Videos

Equity Theory01:26

Equity Theory

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Equity theory explains how our sense of fairness influences the dynamics of close relationships. Rooted in social psychology, the theory posits that individuals evaluate fairness by comparing the ratio of their contributions to the rewards they receive. Relationship satisfaction is highest when these ratios are perceived as balanced between partners, promoting mutual reciprocity and a sense of justice.Equity vs. Equality in RelationshipsEquity is distinct from equality. Fairness does not...
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Social Exchange Theory01:26

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As formulated by John Thibaut and Harold Kelley, Social Exchange Theory explains human relationships as economic-like exchanges that maximize rewards and minimize costs. This theory suggests that individuals engage in relationships to gain benefits and reduce burdens, similar to economic transactions. It has been widely applied to various types of relationships, including romantic, professional, and social interactions.Rewards and Costs in RelationshipsRelationship rewards include emotional...
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We have discussed why we form relationships, what attracts us to others, and different types of love. But what determines whether we are satisfied with and stay in a relationship? One theory that provides an explanation is social exchange theory. According to social exchange theory, we act as naïve economists in keeping a tally of the ratio of costs and benefits of forming and maintaining a relationship with others (Rusbult & Van Lange, 2003).
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First impressions play a crucial role in social perception, shaping how individuals assess others in professional, academic, and interpersonal contexts. Psychological research highlights the significance of cognitive biases, such as the primacy and recency effects, which influence how people interpret and recall information.The Primacy Effect and Cognitive AnchoringThe primacy effect describes the tendency for initial information to impact judgment disproportionately. When individuals encounter...
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Impact of Social Context on Individuals01:21

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Social psychology examines how the real or imagined presence of others influences individuals' thoughts, feelings, and behaviors. A key concept in this field is the role of social context in shaping behavior. The same individual may act differently depending on the social setting, due to the varying expectations and norms associated with each environment. This context-dependent behavior illustrates the influence of social roles, which prescribe appropriate conduct in specific situations.Social...
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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? 
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Related Experiment Video

Updated: Oct 25, 2025

Measuring Delay Discounting in Humans Using an Adjusting Amount Task
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The Stock Market Model with Delayed Information Impact from a Socioeconomic View.

Zhiting Wang1, Guiyuan Shi2, Mingsheng Shang3

  • 1Physics and Photoelectricity School, South China University of Technology, Guangzhou 510640, China.

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This study identifies information as the key driver in financial markets, proposing a simplified evolutionary model. The model

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collective intelligencedetrended cross-correlation analysiseconophysicsemergent propertyfinancial complexitystock correlation

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Area of Science:

  • Financial Economics
  • Market Dynamics
  • Complexity Science

Background:

  • Identifying fundamental principles in financial markets remains a challenge.
  • Increasing model complexity due to technological advancements contradicts the principle of simplicity.
  • Existing models often struggle to capture emergent market behaviors.

Purpose of the Study:

  • To propose a simplified evolutionary model for financial markets.
  • To identify the most critical factor influencing stock prices.
  • To explain emergent market phenomena and inter-stock correlations.

Main Methods:

  • Development of an evolutionary model independent of micro-level financial details.
  • Focus on information as the sole critical factor.
  • Analysis of emergent collective behavior and statistical properties.

Main Results:

  • The model demonstrates significant statistical similarity to real-world market behavior.
  • Information is identified as the singular critical factor driving stock prices.
  • The model successfully explains correlations between stocks within the same industry.

Conclusions:

  • A simplified approach focusing on information can effectively model complex financial markets.
  • Information acts as the critical factor, leading to emergent collective behavior in stock prices.
  • This framework offers new insights into market core structures and critical factors.