cognitive psychology. PhD 
Simon and Newell in 1972: psychological theories should be computer programs. Natural language permits too much ambiguity, which is used to fill in any unexplained hole in a theory.pic.twitter.com/4bQfm6fCz9
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What's the most effective way to communicate theories of cognition and design for practical application? A stodgy, natural language, philosophical treatise is probably not the way. Some perspectives:
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Green et al. in 1995: cognitive theories applied to design should be vocabulary, a set of words that synthesize important aspects of the theory.pic.twitter.com/NnRtI7Jp7V
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Bill Gaver in 2012: a designed artifact is a "theory nexus" that embodies a range of theories. We can better understand artifacts when "annotated" with specific dimensions.pic.twitter.com/5qLhJlA613
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