Rawnet Lightning talk - 'Thinking, Fast and Slow' review
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Rawnet senior PHP Developer Mark Bennett outlines his thoughts on the book 'Thinking Fast and Slow' by Daniel Kahneman
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Rawnet Lightning talk - 'Thinking, Fast and Slow' review
- 1. Thinking, Fast and Slow How We Make Decisions, And How To Make The Right Ones
- 2. Not my ideas... Daniel Kahneman Senior Scholar, Princeton University Nobel Prize for Economics, 2002
- 3. A Tale Of Two Systems System A Fast, intuitive, subconscious System B Slow, analytical, directed
- 4. System A Always working Looking for patterns Biases
- 5. System B Analytical Less biased Can be overwhelmed Lazy
- 6. Example A bat and a ball together costs £1.10 The bat costs £1 more than the ball How much does the ball cost?
- 7. The Answer... System A: 10p System B: 5p
- 8. Priming Assemble sentences using four words out of five finds he it yellow instantly grey was round hair his
- 9. Cognitive Ease Adolf Hitler was born in 1892 Adolf Hitler was born in 1887
- 11. Halo Effect Alan: intelligent, industrious, impulsive, critical, stubborn, envious Ben: envious, stubborn, critical, impulsive, industrious, intelligent
- 12. Anchoring Was Gandhi more or less than 141 years old when he died? How old was Gandhi when he died?
- 13. Anchoring With Irrelevant Information Rigged wheel of fortune Always 10 or 65 Write down the number “Is the percentage of African nations in the UN higher or lower than this?” “What is the percentage?”
- 14. So… What Can We Do? You can’t stop System 1 You shouldn’t stop System 1 Be aware of System 1 biases
- 15. Watch Out For Biases Priming Cognitive Ease Familiarity Halo Effect Anchoring
- 16. Buy The Book
- 17. Learn more about Rawnet
Editor's Notes
- Look at how we make decisions Automatic processes evolved over millenia Not always right - optimised for survival Learn to be aware of when they may be wrong
- Tested on thousands of students At Princeton, MIT and Harvard: more than 50% said “10p” Other universities: more than 80% said 10p
- Students at New York University aged 18-22 Asked to assemble sentences using four words out of five One group: half sentences have “old people” words in Afterwards, walk down corridor for another test Walk took statistically significantly longer in the old group
- Hands up who believes which Actually born 1889, but most believe the bold font - easier to read
- Front page advert in University of Michigan student newspaper Frequency: 1, 2, 5, 10, 25 Ask for impression of each word: “something good” or “something bad” More frequent = more favourable
- Who would you most like to work with?
- Average among subjects who saw 10: 25% Average among students who saw 65: 45%