The Architecture of Confidence
Thinking, Fast and SlowThis flow traces how coherence, scarcity of information, and social incentives create confidence that is often disconnected from validity.
increasing
Bearing strength in each event
decreasing
Bearing strength in each eventdecreasingWYSIATI
What Is Seen
Available Data
System 1 constructs the best story from activated information.
Absent Evidence
Missing information is rarely represented as a warning.
One-Sided Evidence
The Legal Story
Partial Case
Participants hear only one lawyer's account of a dispute.
Confidence Increase
A coherent incomplete story produces more confidence than a balanced account.
Halo Construction
Emotional Coherence
First Impression
A favorable trait colors later ambiguous information.
Spurious Unity
The person seems consistently good because the mind prefers a coherent whole.
Confidence by Story
A Feeling of Certainty
Coherence
A smooth narrative feels reliable.
Validity Gap
The amount and quality of evidence may contribute little to subjective confidence.
Social Overconfidence
Confidence Rewarded
Professional Display
Experts who sound certain receive attention, status, and clients.
Collective Blindness
Institutions may reward precisely the confidence that conceals uncertainty.
During the discussion of jumping to conclusions
Later in Part 1
During the chapter on judgment
During the illusion-of-validity chapter
Near the end of Part 3
