lecture14_june23

lecture14_june23 - Problems with Prototypes • conceptual...

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Unformatted text preview: Problems with Prototypes • conceptual boundaries & unusual cases Problems with Prototypes • variable categories – e.g., games (football, computer games, marbles, golf, solitaire) • Typicality & Context – e.g., robin in the context of neighborhood vs. barnyard Concepts: Overview • The Classical View • The Prototype View • Other Views – The Exemplar View – The Schemata View – The Knowledge-Based View • Learning Concepts The Exemplar View • Concepts are composed of previous instances (i.e., exemplars) • Categorization occurs by comparing current instance with previous instances stored in memory The Exemplar View • Medin et al. (1982) – Participants learned about a disease called burlosis by studying descriptions of people with the disease – There were 4 symptoms • Swollen eyelids; Splotches on ears; Discolored gums; Nosebleed – Not all patients had exactly the same symptoms The Exemplar View • Medin et al. (1982) – Conditions: • 2 conditions at study – Correlated condition – Uncorrelated condition • 2 types of test cases – Correlated – Uncorrelated The Exemplar View...
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lecture14_june23 - Problems with Prototypes • conceptual...

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