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Lecture22-Expertise - Lecture 22 Expertise Fall 2009 Prof...

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1 Lecture 22: Expertise Fall 2009 Prof. Lombrozo Overview of today’s class: - The benefits of expertise - The limits of expertise - (Course themes) - Course evaluations Reminder: Paper due on Friday at 4pm! 22.2 Studying Expertise There are many kinds of expertise Athletes, musicians, surgeons, radiologists, math wizards, chess grandmasters, jugglers, sommeliers, perfumers, chocolatiers, … Strategy : Compare experts and novices on cognitive tasks – Perception – Attention – Memory – Language – Categorization – Reasoning – Problem-solving 22.3 Key Questions Is expertise the result of general abilities, or specialized abilities? E.g. Are chess experts better at strategy and spatial reasoning in general, or only in chess? Does expertise involve special cognitive capacities, or does it result from ‘ordinary’ cognitive capacities? E.g. Do chess experts have a special mechanism for remembering board positions, or do they simply employ typical memory devices particularly effectively? Does expertise result from special talent or special training? E.g. Are chess grandmasters born or made?
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2 22.4 Expertise & Perception 22.5 Expertise & Perceptual Memory (Myles-Worsley, Johnston, & Simons, 1988) 22.6 Expertise & Memory (Chase & Simon, 1973; Gobet et al., 2001)
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