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Public communication alters private confidence.

Einar R Andreassen1, Chris D Frith2, Daniel Yon3

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Social interactions influence our private confidence levels. Communicating confidence publicly can alter our internal sense of certainty, explaining group confidence biases.

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Area of Science:

  • Psychology
  • Cognitive Science
  • Social Neuroscience

Background:

  • Private confidence guides social coordination and decision-making.
  • Individuals can strategically adjust expressed confidence, but private confidence may remain stable.
  • Emerging theories propose social interactions shape internal beliefs about uncertainty.

Purpose of the Study:

  • To investigate whether public communication of confidence affects private confidence.
  • To explore the role of social interaction in shaping internal uncertainty beliefs.
  • To understand the mechanisms behind confidence bias emergence in groups.

Main Methods:

  • Experimental manipulation of public confidence expression.
  • Behavioral experiments involving social decision-making tasks.
  • Computational modeling to analyze confidence dynamics.

Main Results:

  • Changes in public confidence expression led to subsequent changes in private confidence.
  • Social interactions were identified as a significant factor in modifying internal confidence.
  • The study demonstrated a link between social communication and private confidence shifts.

Conclusions:

  • Public communication of confidence can directly alter private confidence levels.
  • Social interactions play a crucial role in shaping an individual's sense of certainty.
  • This mechanism provides insight into the development and persistence of confidence biases within interacting groups.