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Thinking Fast and Slow

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Presented at CodeMash 2015. By Joseph Ours

Joseph's presentation is based on the book "Thinking Fast and Slow" where Nobel Prize winner Daniel Kahneman introduces two mental systems, one that is fast and the other slow. Together they shape our impressions of the world around us and help us make choices. System 1 is largely unconscious and makes snap judgments based upon memories of similar events and our emotions. System 2 is painfully slow, and is the process by which we consciously check the facts and think carefully and rationally. System 2 is easily distracted. System 1 is wrong quite often. Real-world examples that demonstrate how the two systems work are that pro golfers will more accurately putt for par than they do for birdie regardless of distance and people will buy more cans of soup when there is a sign on the display that says “limit 12 per customer."

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Thinking Fast and Slow

  1. 1. NOTICE: Proprietary and Confidential This material is proprietary to Centric Consulting, LLC. It contains trade secrets and information which is solely the property of Centric Consulting, LLC. This material is solely for the Client’s internal use. This material shall not be used, reproduced, copied, disclosed, transmitted, in whole or in part, without the express consent of Centric Consulting, LLC. © 2013 Centric Consulting, LLC. All rights reserved Thinking Fast and Slow Joseph Ours Centric Consulting
  2. 2. Multi-Tasking Test Time’s Up12345678 First time) Write alphabet Second time) Write numbers Third time) Alternate numbers/alpahbet
  3. 3. Two Systems
  4. 4. Say it ain’t so… Our thinking is replete with judgment and bias
  5. 5. Bases of Cognitive Distortions SocialBias DecisionBiasMemoryBias BeliefBias
  6. 6. Example Social Biases http://www.slideshare.net/efern211/cognitive-biases-a-visual-study-guide-by-the-royal-society-of-account-planning
  7. 7. Example Memory Biases http://www.slideshare.net/efern211/cognitive-biases-a-visual-study-guide-by-the-royal-society-of-account-planning
  8. 8. Example Decision Making Biases http://www.slideshare.net/efern211/cognitive-biases-a-visual-study-guide-by-the-royal-society-of-account-planning
  9. 9. Example Belief Biases http://www.slideshare.net/efern211/cognitive-biases-a-visual-study-guide-by-the-royal-society-of-account-planning
  10. 10. Challenges in the workspace You cannot serve 2 masters The business hates IT Bring out the nerf guns Why does it seem like people don’t get things the first time Why is Beizer’s paradox true I swore I saw that! We just had that meeting and I can’t remember something
  11. 11. Context Switching
  12. 12. Exercise #2
  13. 13. Endowment Effect This is why the business hates IT!
  14. 14. Exercise #3 I need 4 volunteers This exercise, I asked 4 volunteers to: • clap your hands • count out loud to 10 • put your hands on your head • cluck like a chicken When done, I asked them what was the 2nd thing I asked them to do.
  15. 15. Exercise #3 redux Pretend ALL of you are doing this at your seat This exercise, I asked everyone to do a similar exercise
  16. 16. Inattentional Amnesia due to Cognitive Load Fun reduces stress
  17. 17. Are you still there?
  18. 18. Exercise #4 2 4 6
  19. 19. Did you guess? 2 4 6 8 10 12 N=n*2 linear sequence n=(1,2,3,4,5,6)
  20. 20. Did you consider? 2 4 6 10 14 22 N=n*2 Prime sequence n=(1,2,3,5,7,11)
  21. 21. Or? 2 4 6 10 16 26 Nn=(N2)+(N1)
  22. 22. Think about it? Much like finding your keys, when people jump to conclusions, they believe their conclusion is the agreed upon one and often fail to confirm – leading to misunderstandings.
  23. 23. Beizer’s Pesticide Paradox The phenomenon that the more you test software, the more immune it becomes to your tests
  24. 24. Exercise #5 See video at https://www.youtube.com/watch?v=iiEzf3J4iFk
  25. 25. You see what you expect
  26. 26. Exercise #6 See video athttps://www.youtube.com/watch?v=P3r_tSoZL4w
  27. 27. Inattentional Blindness
  28. 28. Exercise #7
  29. 29. This should help
  30. 30. Flicker Test Our mind is a pattern matching beast!
  31. 31. Exercise #8 Is your card missing? Stare Here!
  32. 32. Improve your investigative skills Change your search pattern Search for alternate answers and/or paths Defend your answer against antagonist Ensure gaps are not unduly filled in
  33. 33. Improve your observation skills Time-box your activities Focus/De-focus Don’t over rely on expected results Listen to intuition
  34. 34. Improve your recall skillls Acknowledge your recall CAN be faulty Record as you go, keep a journal Or use a recording tool Chunk Tests into groups 5-7 Reduce cognitive load
  35. 35. Minimizing Bias Investigation • Change your search patterns • Look for alternate answers • Defend your answer against antagonist • What your fill-ins Observation • Focus/De-focus • Time box your activities • Listen to intuition • Don’t over rely on documentation, think Recall • Limit what you have to recall • Use tools to assist • Record/Journal as you go • Reduce cognitive load Acknowledge Biases Exist
  36. 36. February 17, 2015 – Columbus, Ohio http://qaorthehighway.com/
  37. 37. Q&A @justjoehere Joseph Ours www.linkedin.com/josephours http://josephours.blogspot.com Joseph.ours@centricconsulting.com

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