Cognitive Psychology and the Zen of Code

Cognitive Psychology talk from Rocky Mountain Ruby 2011

Transcript

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