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You Can’t Play 20 Questions with Nature and Win

You Can’t Play 20 Questions with Nature and Win. Alan Newell (1973). Progress in Psychology. New phenomena Experimental techniques Elegant theories But what do they add up to?. 20 Questions. Parsing nature into binary oppositions Never really answered

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You Can’t Play 20 Questions with Nature and Win

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  1. You Can’t Play 20 Questions with Nature and Win Alan Newell (1973)

  2. Progress in Psychology • New phenomena • Experimental techniques • Elegant theories • But what do they add up to?

  3. 20 Questions • Parsing nature into binary oppositions • Never really answered • Elaboration of theories on both sides • Little cumulative progress • Lack of integration

  4. Strategy and Flexibility • Mind capable of many things • Role of task & instructions? • No models of “control structure” • Needed for integration

  5. Complete Processing Models • Model whole task, from instructions and sensation to motor output • Model all aspects of one complex task • Class inclusion • Mental arithmetic • Chess • Control structure ties model together • Best candidate: production system

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