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Confidence as a Common Currency between Vision and Audition.
Vincent de Gardelle1,2, François Le Corre3,4, Pascal Mamassian3,4
1Centre d'Economie de la Sorbonne, CNRS UMR 8174, Paris, France.
Plos One
|January 26, 2016
Summary
This study shows confidence in decisions can be compared across different senses, like sight and sound. This suggests confidence may act as a universal measure for our choices.
Area of Science:
- Decision-making science
- Cognitive psychology
- Neuroeconomics
Background:
- A common currency for evaluating choices is crucial in behavioral sciences.
- Previous research focused on value as a common currency, neglecting subjective probabilities and confidence.
- Empirical investigation into confidence as a common currency is limited.
Purpose of the Study:
- To investigate if confidence can serve as a common currency across different sensory modalities.
- To empirically test the comparability of confidence in visual versus auditory decisions.
- To extend understanding of the role of confidence in choice behavior.
Main Methods:
- Participants made decisions based on visual and auditory stimuli.
- Confidence ratings were collected for each decision.
- The precision of confidence comparison within and across sensory modalities was analyzed.
Main Results:
- Confidence judgments were comparable across visual and auditory decision tasks.
- The precision of cross-modal confidence comparison matched within-modal comparison precision.
- This indicates a potential common scale for confidence.
Conclusions:
- Confidence can be compared across different sensory modalities with high precision.
- Confidence may function as a common currency for choice behavior.
- This has implications for understanding self-representation and communication of choices.
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