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Cognitive Psychology and the Zen of Code
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Jay Zeschin
September 12, 2011
Programming
1
160
Cognitive Psychology and the Zen of Code
Cognitive Psychology talk from Rocky Mountain Ruby 2011
Jay Zeschin
September 12, 2011
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Transcript
None
COGNITIVE PSYCHOLOGY @JAYZES AND THE ZEN OF CODE ROCKY MOUNTAIN
RUBY // 09.01.2011
cogpsych _WHO AM I who am i?
cogpsych _WHO AM I
cogpsych _TOPICS “programs must be written for people to read,
and only incidentally for machines to execute.” - ABELSON and SUSSMAN (SICP)
cogpsych _TOPICS metacognition (or, how can we hack it?)
cogpsych _TOPICS DISCLAIMER
cogpsych _MEMORY memory
cogpsych _MEMORY encoding storage retrieval
cogpsych _MEMORY recognition >> retrieval
cogpsych _MEMORY working memory
cogpsych _MEMORY 7 +/- 2 items
cogpsych _MEMORY 1.5 seconds of pronunciation
cogpsych _MEMORY scanning is serial exhaustive
cogpsych _MEMORY 38 milliseconds per item
cogpsych _MEMORY long term memory
cogpsych _MEMORY
cogpsych _MEMORY decay and interference
cogpsych _MEMORY stories and pictures
cogpsych _COGNITION cognition
cogpsych _COGNITION
cogpsych _COGNITION
cogpsych _COGNITION attention and automation
cogpsych _COGNITION deep and shallow
cogpsych _COGNITION
cogpsych _COGNITION 4444 55555 22 3333
cogpsych _COGNITION categories and schemata
cogpsych _COGNITION heuristics
cogpsych _COGNITION pattern recognition
cogpsych _COGNITION that’s all cool, what does it have to
do with code?
cogpsych _EXAMPLES max out automated processing for readers
cogpsych _ATTENTION DIVISION WHILE READING CODE IMPORTANT SHIT STUPID SHIT
80% 20% BAD 20% 80% GOOD
cogpsych _EXAMPLES minimize surprises
cogpsych _EXAMPLES avoid brain stack over ow
cogpsych _EXAMPLES enable recognition
cogpsych _EXAMPLES tell a story
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
cogpsych _EXAMPLES if and unless
cogpsych _CLOSING know your audience
cogpsych _CLOSING your brain is good with shortcuts. let it
take them.
thank you.
COGNITIVE PSYCHOLOGY @JAYZES AND THE ZEN OF CODE ROCKY MOUNTAIN
RUBY // 09.01.2011