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相关概念视频

Social Facilitation01:04

Social Facilitation

31.8K
Not all intergroup interactions lead to negative outcomes. Sometimes, being in a group situation can improve performance. Social facilitation occurs when an individual performs better when an audience is watching than when the individual performs the behavior alone. This typically occurs when people are performing a task for which they are skilled.
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Causality in Epidemiology01:21

Causality in Epidemiology

313
Causality or causation is a fundamental concept in epidemiology, vital for understanding the relationships between various factors and health outcomes. Despite its importance, there's no single, universally accepted definition of causality within the discipline. Drawing from a systematic review, causality in epidemiology encompasses several definitions, including production, necessary and sufficient, sufficient-component, counterfactual, and probabilistic models. Each has its strengths and...
313
Social Exchange Theory02:06

Social Exchange Theory

34.3K
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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Observational Learning01:12

Observational Learning

135
Albert Bandura's observational learning, also known as imitation or modeling, occurs when a person observes and imitates another's behavior. It is a quicker process than operant conditioning. A well-known example is the Bobo doll study, where children who saw an adult acting aggressively towards the doll were more likely to act aggressively when left alone, compared to those who observed a nonaggressive adult. Many psychologists view observational learning as a form of latent learning...
135
Group Polarization01:01

Group Polarization

34.2K
Group polarization is the strengthening of an original group attitude following the discussion of views within a group (Teger & Pruitt, 1967). That is, if a group initially favors a viewpoint, after discussion the group consensus is likely a stronger endorsement of the viewpoint. Conversely, if the group was initially opposed to a viewpoint, group discussion would likely lead to stronger opposition.
34.2K
Conformity01:20

Conformity

45.0K
Conformity is the change in a person’s behavior to go along with the group, even if that person does not agree with the group.
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相关实验视频

Updated: Jun 6, 2025

A New Method for Inducing a Depression-Like Behavior in Rats
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A New Method for Inducing a Depression-Like Behavior in Rats

Published on: February 22, 2018

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社会学习具有复杂的传染性.

Hiroaki Chiba-Okabe1,2, Joshua B Plotkin1,2,3

  • 1Program in Applied Mathematics & Computational Science, University of Pennsylvania, Philadelphia, PA 19104.

Proceedings of the National Academy of Sciences of the United States of America
|November 27, 2024
PubMed
概括
此摘要是机器生成的。

社会行为通过复杂的传染传播,需要多次暴露才能被采用. 这个新模型将简单的模仿与复杂的传染结合在一起,改变了经典游戏理论场景中的结果.

关键词:
复杂的系统复杂的系统.进化游戏理论的演化游戏理论.社会演变的社会演变.

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科学领域:

  • 进化游戏理论 进化游戏理论
  • 社会学习的动态 社会学习的动态
  • 复杂系统建模 复杂系统建模

背景情况:

  • 传统的社会学习模型假设简单的传染,其中一个互动足以模仿.
  • 现实世界的行为传播通常涉及复杂的传染,需要多次暴露才能被采用.
  • 现有的模型可能无法完全捕捉社交网络中行为变化的细微差别.

研究的目的:

  • 引入一种新的框架,将简单的利偏见模仿与复杂的传染结合起来.
  • 模拟社会行为在人口中传播的现实传染动态.
  • 分析复杂传染对进化游戏理论结果的影响.

主要方法:

  • 为社会学习制定了一个离散的时间和状态随机过程.
  • 导出连续极限作为一个普通微分方程,概括复制器方程.
  • 将模型应用于线性频率依赖的游戏,包括囚犯困境,雪流和协调游戏.

主要成果:

  • 与传统模仿相比,复杂的传染动力产生质量上不同的结果.
  • 囚犯的困境可以从一个所有缺陷的平衡转移到一个混合或可二元化的系统.
  • 雪地漂流和协调游戏在复杂的传染下表现出改变的平衡结构.
  • 结果取决于传染复杂性和选择强度之间的相互作用.

结论:

  • 该框架提供了一种综合方法来理解社会系统中现实的行为变化.
  • 整合复杂的传染提供了更细致的社会学习和其进化后果的视角.
  • 这项工作将进化游戏理论和复杂的传染联系联系起来,使其具有更广泛的适用性.