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Dynamics of postdecisional processing of confidence.
Shuli Yu1, Timothy J Pleskac2, Matthew D Zeigenfuse3
1Department of Psychology, Michigan State University.
Confidence judgments can improve by allowing more time after a decision, as evidence accumulation continues post-choice. This strategy enhances confidence accuracy by reducing confidence in incorrect answers.
Area of Science:
- Cognitive Psychology
- Decision Science
Background:
- Traditional cognitive theories posit simultaneous choice and confidence judgments.
- Existing models do not fully account for post-choice evidence processing.
Purpose of the Study:
- To investigate if confidence judgments arise from post-decisional evidence accumulation.
- To determine if delaying confidence ratings improves accuracy.
Main Methods:
- Three experimental studies examining choice-confidence relationships.
- Cognitive modeling using sequential sampling processes.
- Analysis of evidence accumulation rates and confidence asymmetry.
Main Results:
- Confidence judgments can be informed by post-decisional evidence accumulation.
- Increased delay between choice and confidence rating improves confidence resolution.
- Improved resolution stems from reduced confidence in incorrect responses.
Conclusions:
- Confidence accuracy can be enhanced by allowing more time for post-decisional evidence processing.
- Sequential sampling models can explain confidence asymmetry through state-dependent evidence decay.
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