Cognitive Psychology and the Zen of Code

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