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Cognitive Psychology and the Zen of Code

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Avatar for Jay Zeschin Jay Zeschin
September 12, 2011
Programming
180
1

Cognitive Psychology and the Zen of Code

Cognitive Psychology talk from Rocky Mountain Ruby 2011

Avatar for Jay Zeschin

Jay Zeschin

September 12, 2011

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Transcript

  1. None

  2. COGNITIVE PSYCHOLOGY @JAYZES AND THE ZEN OF CODE ROCKY MOUNTAIN

    RUBY // 09.01.2011

  3. cogpsych _WHO AM I who am i?

  4. cogpsych _WHO AM I

  5. cogpsych _TOPICS “programs must be written for people to read,

    and only incidentally for machines to execute.” - ABELSON and SUSSMAN (SICP)

  6. cogpsych _TOPICS metacognition (or, how can we hack it?)

  7. cogpsych _TOPICS DISCLAIMER

  8. cogpsych _MEMORY memory

  9. cogpsych _MEMORY encoding storage retrieval

  10. cogpsych _MEMORY recognition >> retrieval

  11. cogpsych _MEMORY working memory

  12. cogpsych _MEMORY 7 +/- 2 items

  13. cogpsych _MEMORY 1.5 seconds of pronunciation

  14. cogpsych _MEMORY scanning is serial exhaustive

  15. cogpsych _MEMORY 38 milliseconds per item

  16. cogpsych _MEMORY long term memory

  17. cogpsych _MEMORY

  18. cogpsych _MEMORY decay and interference

  19. cogpsych _MEMORY stories and pictures

  20. cogpsych _COGNITION cognition

  21. cogpsych _COGNITION

  22. cogpsych _COGNITION

  23. cogpsych _COGNITION attention and automation

  24. cogpsych _COGNITION deep and shallow

  25. cogpsych _COGNITION

  26. cogpsych _COGNITION 4444 55555 22 3333

  27. cogpsych _COGNITION categories and schemata

  28. cogpsych _COGNITION heuristics

  29. cogpsych _COGNITION pattern recognition

  30. cogpsych _COGNITION that’s all cool, what does it have to

    do with code?

  31. cogpsych _EXAMPLES max out automated processing for readers

  32. cogpsych _ATTENTION DIVISION WHILE READING CODE IMPORTANT SHIT STUPID SHIT

    80% 20% BAD 20% 80% GOOD

  33. cogpsych _EXAMPLES minimize surprises

  34. cogpsych _EXAMPLES avoid brain stack over ow

  35. cogpsych _EXAMPLES enable recognition

  36. cogpsych _EXAMPLES tell a story

  37. cogpsych _EXAMPLES class SomeComplicatedThing def start_process prepare_target do_magic store_results notify_people

    end end class SomeComplicatedThing def start_process prepare_target do_magic store_results notify_people end end

  38. cogpsych _EXAMPLES if and unless

  39. cogpsych _CLOSING know your audience

  40. cogpsych _CLOSING your brain is good with shortcuts. let it

    take them.

  41. thank you.

  42. COGNITIVE PSYCHOLOGY @JAYZES AND THE ZEN OF CODE ROCKY MOUNTAIN

    RUBY // 09.01.2011