Skill, Formula, and Expertise

Thinking, Fast and Slow

This flow compares intuitive professionals with statistical rules and asks when human expertise deserves trust.

increasing

Bearing strength in each event

decreasing

Obstacle Field Judgments Obstacle Field Judgments from "Thinking, Fast and Slow". Leaderless Challenge Character Reading Observers interpret soldiers' behavior around a wall as evidence of future leadership.

Obstacle Field Judgments from "Thinking, Fast and Slow". Leaderless Challenge Character Reading Observers interpret soldiers' behavior around a wall as evidence of future leadership.

Leaderless Challenge Character Reading Observers interpret soldiers' behavior around a wall as evidence of future leadership. Confidence Their coherent impressions feel direct and predictive.

Feedback Failure Feedback Failure from "Thinking, Fast and Slow". Predictions Collapse Weak Validity Later performance shows that the observers forecast little better than chance.

Feedback Failure from "Thinking, Fast and Slow". Predictions Collapse Weak Validity Later performance shows that the observers forecast little better than chance.

Predictions Collapse Weak Validity Later performance shows that the observers forecast little better than chance. Persistent Belief General knowledge of failure does not weaken confidence in individual cases.

Meehl's Challenge Meehl's Challenge from "Thinking, Fast and Slow". Clinical Versus Statistical Comparative Evidence Simple formulas often outperform trained counselors using richer interviews.

Meehl's Challenge from "Thinking, Fast and Slow". Clinical Versus Statistical Comparative Evidence Simple formulas often outperform trained counselors using richer interviews.

Clinical Versus Statistical Comparative Evidence Simple formulas often outperform trained counselors using richer interviews. Professional Resistance The result threatens the dignity and identity of expert judgment.

Apgar's Score Apgar's Score from "Thinking, Fast and Slow". Standardized Newborn Assessment Five Variables Virginia Apgar reduces complex clinical judgment to a small consistent scoring rule.

Apgar's Score from "Thinking, Fast and Slow". Standardized Newborn Assessment Five Variables Virginia Apgar reduces complex clinical judgment to a small consistent scoring rule.

Standardized Newborn Assessment Five Variables Virginia Apgar reduces complex clinical judgment to a small consistent scoring rule. Practical Benefit The formula helps identify endangered infants more reliably.

Structured Interviews Structured Interviews from "Thinking, Fast and Slow". Disciplined Selection Trait Scores Israeli Defense Forces interviewers gather factual evidence and score traits separately.

Structured Interviews from "Thinking, Fast and Slow". Disciplined Selection Trait Scores Israeli Defense Forces interviewers gather factual evidence and score traits separately.

Disciplined Selection Trait Scores Israeli Defense Forces interviewers gather factual evidence and score traits separately. Controlled Intuition A final intuitive impression adds value only after disciplined data collection.

The author's early military service

Months after each military assessment

During the chapter on formulas

Later in the formulas chapter

Near the end of the formulas chapter