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Confidence can be automatically integrated across two visual decisions.

David Aguilar-Lleyda1, Mahiko Konishi2, Jérôme Sackur2

  • 1Centre d'Economie de la Sorbonne (CNRS and Universite Paris 1 Pantheon-Sorbonne).

Journal of Experimental Psychology. Human Perception and Performance
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Summary
This summary is machine-generated.

Confidence judgments in humans are prone to bias, a phenomenon called confidence leak. This study reveals that confidence leak occurs automatically, even when not explicitly measured, suggesting integrated decision-making processes.

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Area of Science:

  • Cognitive psychology
  • Neuroscience
  • Decision-making research

Background:

  • Human confidence judgments are known to be biased by other estimations, termed confidence leak.
  • The automaticity of this confidence leak effect remains largely unexplored.

Purpose of the Study:

  • To investigate whether confidence leak in decision-making is an automatic process.
  • To determine if confidence is integrated across decisions even without explicit rating requirements.

Main Methods:

  • Participants performed two visual decisions and provided confidence ratings for one or both decisions per trial.
  • Task difficulty and response accuracy were used as proxies for confidence.
  • Experimental conditions varied the requirement for confidence ratings on the second decision.

Main Results:

  • Confidence leak was observed: confidence for one decision increased with the confidence associated with another decision, even if unrated.
  • This effect persisted even when participants knew no rating would be required for the second decision in one task.
  • Results indicate automatic integration of confidence across decisions.

Conclusions:

  • Confidence leak appears to be an automatic cognitive process.
  • Decision-making confidence is integrated across tasks, suggesting a fundamental mechanism in human cognition.
  • Findings contribute to understanding the automaticity of metacognitive judgments.