Biases, Brains, and Decision Making

1. Biases, Brains, and Decision Making

2. Lawyers are Lousy Decision-Makers

3. Wrong 50% of the time -$75,000

4. Wrong 30% of the time -$1,400,000

5. What’s Going On?

6. The modern human brain is unchanged from 150,000 years ago. The human brain evolved to solve problems while highly mobile in extreme weather conditions and in a dangerous environment

7. Two Decision Making Systems System 1 System 2 Effortless Impulsive Intuitive Automatic Pre-conscious Effortful, painful Resists impulsivity Capable of reasoning Cautious Conscious

8. 17 x 24 408

9. Bananas Vomit

10. The mere conjunction of two words creates a reality • Most associative processing is unconscious

11. Pregnant Man

12. primes individualism reducescooperation reluctance to be with others.

13. Jumping off the cliff of conclusions

14. Linda is thirty-one years old, single, outspoken, and very bright. She majored in philosophy. As a student, she was deeply concerned with issues of discrimination and social justice, and also participated in antinuclear demonstrations.

15. What is most likely? Linda is a bank teller Linda is a bank teller and is active in the feminist movement

16. System 2 is effortful and for many people ...

17. At bat and a ball cost $1.10 in total. The bat costs $1.00 more than the ball. How much does the ball cost? If it takes 5 machines 5 minutes to make 5 widgets, how long would it take 100 machines to make 100 widgets? In a lake, there is a patch of lily pads. Every day, the patch doubles in size. If it takes 48 days for the patch to cover the entire lake, how long would it take for the patch to cover half the lake?

18. System 2 is easily derailed

19. Loss of self control can be caused by: • avoiding thought of white bears • inhibiting the emotional response to a stirring film • making a series of choices that involve conflict • trying to impress others • responding kindly to a partner's bad behavior • Mental depletion can be caused by: • deviating from a diet • overspending on impulsive purchases • reacting aggressively to provocation • performing poorly in cognitive tasks and logical decision-making

21. What is a cognitive bias?

22. It’s a decision-making short cut • It is a System 1 process • It’s typically habitual • It has emotional salience • It operates outside of consciousness • It is extremely useful • It has a very dark side

23. The following three numbers conform to some rule: 2, 4, 6 Your job is to figure out the rule.

24. 8, 10, 12

25. 22, 24, 26

26. 100, 102, 104

27. What is the rule?

28. Increasing integers divisible by 2?

29. Wrong.

30. The correct answer was: “Any three increasing integers.”

31. All we did is seek out confirmation for what we already believed. This is a classic example of the confirmation bias. 2, 4, 6 8, 10, 12 22, 24, 26 100, 102, 104

32. Is Sam unfriendly? Is Sam friendly?

33. What is the difference between: We will defend this lawsuit. We will win this lawsuit.

34. We will win this lawsuit. What does this statement mean if it were true? Do we choose to believe or unbelieve it? System 1 assumes the statement is true and looks for information to confirm it—easy and effortless. Unbelieving is an operation of System 2, which is effortful and painful.

35. “They are negotiating in bad faith”

36. Step 1 Label the emotion.

37. You might say • “You are frustrated.” • “You are angry.” • “You feel disrespected.”

38. Step 2 Ask a motivational question.

39. You might ask • “What is the other side thinking?” “What can we do to elicit a different response?” “What were your expectations?”

40. De-Escalate Engage System 2

41. Some Conclusions

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