Overconfidence as a Cause of Diagnostic Error in Medicine
Abstract
The great majority of medical diagnoses are made using automatic, efficient cognitive processes, and these diagnoses are correct most of the time. This analytic review concerns the exceptions: the times when these cognitive processes fail and the final diagnosis is missed or wrong. We argue that physicians in general underappreciate the likelihood that their diagnoses are wrong and that this tendency to overconfidence is related to both intrinsic and systemically reinforced factors. We present a comprehensive review of the available literature and current thinking related to these issues. The review covers the incidence and impact of diagnostic error, data on physician overconfidence as a contributing cause of errors, strategies to improve the accuracy of diagnostic decision making, and recommendations for future research.
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“However, because prior research provides ample evidence that even experts making critical decisions resort to heuristic thinking (and fall prey to cognitive biases) [4, 6, 17, 42], we have some confidence that our results will generalize broadly.”
From To Trust or to Think: Cognitive Forcing Functions Can Reduce Overreliance on AI in AI-assisted Decision-making (2021) · cites this paper as [4]
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- Authors
- Berner, E. S., & Graber, M. L.
- Affiliations
- University of Alabama at Birmingham (US)
- State University of New York (US)
- Corresponding author
- Berner, Eta S.
- Venue
- The American Journal of Medicine
- Publisher
- Elsevier BV
- Published
- 2008-05
- Volume
- 121
- Issue
- 5
- Pages
- S2-S23
- ISSN
- 0002-9343 (ISSN-L)
- OpenAlex
- W2107872096
- Cited by
- 1,034
- References
- 15
- Citations by year
- 2026: 56 · 2025: 69 · 2024: 60 · 2023: 54 · 2022: 65 · 2021: 84 · 2020: 62 · 2019: 83 · 2018: 58 · 2017: 75 · 2016: 54 · 2015: 57 · 2014: 61 · 2013: 55 · 2012: 40
- FWCI
- 3.85
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- The American Journal of Medicine (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Family Practice › Clinical Reasoning and Diagnostic Skills
- Health Sciences › Health Professions › Emergency Medical Services › Patient Safety and Medication Errors
- Social Sciences › Decision Sciences › General Decision Sciences › Decision-Making and Behavioral Economics
- Keywords
- overconfidence, diagnostic errors, diagnosis, diagnostic accuracy, physician cognition, cognitive biases, diagnostic decision-making, error prevention strategies
- MeSH terms
- Attitude of Health Personnel, Awareness, Clinical Competence, Decision Making, Diagnosis, Computer-Assisted, Diagnostic Errors, Humans, Knowledge of Results, Psychological, Malpractice, Physicians, Referral and Consultation
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