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Related Concept Videos

Confirmation Biases01:31

Confirmation Biases

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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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Cause and Effect01:53

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While variables are sometimes correlated because one does cause the other, it could also be that some other factor, a confounding variable, is actually causing the systematic movement in our variables of interest. For instance, as sales in ice cream increase, so does the overall rate of crime. Is it possible that indulging in your favorite flavor of ice cream could send you on a crime spree? Or, after committing crime do you think you might decide to treat yourself to a cone?
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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.
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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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Correspondence Bias01:17

Correspondence Bias

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Correspondence bias, also referred to as the fundamental attribution error, describes the tendency to attribute another person’s behavior to internal characteristics rather than situational influences. This cognitive bias leads individuals to overlook external factors that may be influencing actions, thereby fostering potentially inaccurate assessments of others’ intentions and dispositions.Empirical Evidence for Correspondence BiasResearch has consistently demonstrated the...
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When in group settings, we are often influenced by the thoughts, feelings, and behaviors around us. Groupthink is another phenomenon of conformity where modification of the opinions of members in a group aligns with what they believe is the group consensus (Janis, 1972). In such situations, the group often takes action that individuals would not perform outside the group setting because groups make more extreme decisions than individuals do. Moreover, groupthink can hinder opposing trains of...
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A System for Tracking the Dynamics of Social Preference Behavior in Small Rodents
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Opinion dynamics with confirmation bias.

Armen E Allahverdyan1, Aram Galstyan2

  • 1Department of Theoretical Physics, Yerevan Physics Institute, Yerevan, Armenia.

Plos One
|July 10, 2014
PubMed
Summary
This summary is machine-generated.

Confirmation bias affects how individuals process new information, often reinforcing existing beliefs. A new non-Bayesian model explains persuasion phenomena like cognitive dissonance and the boomerang effect, which standard Bayesian models cannot.

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Area of Science:

  • Cognitive Science
  • Social Psychology
  • Behavioral Economics

Background:

  • Confirmation bias, the tendency to favor information aligning with existing beliefs, is prevalent across disciplines.
  • Previous research primarily explored economic implications, potentially overlooking broader cognitive science connections.

Purpose of the Study:

  • To develop a non-Bayesian model for opinion revision in confirmationally-biased agents.
  • To explore how this model accounts for persuasion phenomena and cognitive biases.

Main Methods:

  • Formulation of a non-Bayesian opinion revision rule.
  • Analysis of agent's reaction to persuasive opinions based on their existing beliefs.
  • Demonstration of model's ability to reproduce psychological phenomena.

Main Results:

  • The model successfully explains social judgment theory, cognitive dissonance, and the boomerang effect.
  • It also accounts for the primacy-recency effect, linking recency to confirmation bias.
  • The model's convergence properties were analyzed under repeated persuasion.

Conclusions:

  • A simple non-Bayesian model adequately describes persuasion phenomenology, unlike standard Bayesian approaches.
  • The model reproduces key psychological effects: primacy-recency, boomerang effect, and cognitive dissonance.
  • Limitations are identified, suggesting avenues for future model development.