The Boundary of Expert Intuition
Thinking, Fast and SlowThis flow follows the attempt to distinguish genuine recognition-based skill from confident substitution in unpredictable domains.
increasing
Bearing strength in each event
decreasing
Fireground Recognition

A Sixth Sense
Quiet Fire
A commander senses danger from subtle heat and sound before identifying its cause.
Learned Recognition
The intuition is later understood as pattern recognition built through experience.
Simon’s Definition

Intuition as Recognition
Stored Cues
A situation activates information preserved in memory.
Demystification
Expert intuition becomes a rapid retrieval process rather than magic.
The Ford Investment

A False Gut Feeling
Familiar Appeal
An investment executive likes Ford cars and treats that feeling as stock expertise.
Question Substitution
He answers whether he likes the product instead of whether the stock is underpriced.
Klein Collaboration

Adversarial Partnership
Rival Traditions
Daniel Kahneman and Gary Klein begin from opposing attitudes toward intuition.
Shared Boundary
They seek conditions under which experts can genuinely be trusted.
Regularity and Feedback

Conditions for Skill
Predictable Worlds
Reliable intuition requires a sufficiently regular environment.
Learning Opportunity
Practice must be prolonged and feedback must be rapid and clear.
During the discussion of expert intuition
Immediately after the firefighter story
Later in the expert-intuition chapter
During the late chapters on expertise
Near the end of the expertise discussion