COMMENT:By a distinguished experimental psychologist. It takes all kinds of irrational behavior and attempts to link descriptions of such behavior, and psychological attempts to explain it. Although he describes surprising results about the extent and persuasiveness of irrationality, he does not attempt to do anything other than hint in places how we might avoid such pitfalls and flaws in our behavior. Contents: 1. Introduction, 2. The Wrong Impression, 3. Obedience, 4. Conformity, 5.In-groups and Out-groups, 6. Organizational Folly, 7. Misplaced Consistency, 8. Misuse of Rewards and Punishments, 9. Drive and Emotion, 10. Ignoring the Evidence, 11. Distorting the Evidence, 12. Making the Wrong Connections, 13. Mistaken Connections in Medicine, 14. Mistaking the Cause, 15. Misinterpreting the Evidence, 16. Inconsistent Decisions and Bad Bets, 17. Overconfidence, 18. Risks, 19. False Inferences, 20. The Failure of Intuition, 21. Utility, 22. The Paranormal, 23. Causes, Cures and Costs.