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Joe Kim (989)
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Categories and Concepts.docx

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Department
Psychology
Course
PSYCH 1X03
Professor
Joe Kim
Semester
Fall

Description
Categories and Concepts Categorization -Attention: focus finite material resources -Memory: recall specific behaviours -ability to quickly categorize incoming stimuli -w/o cognitive ability to categorize, every sensatory experience completely unique Functions of Categorization 1. classification-allows you to treat objects that appear differently as belonging together 2. understanding 3. predicting-compare current to past 4. communication-category name -the illusion of the expert: feeling that something is easy b/c you're good at it Rules -easy for us so must have simple rule -humans have internal rep of categories that's independent of rules used to define -hard to include/exclude items for category membership -given test stimulus, easy to recognize Prototype Theory -categorize by comparison to internal rep of prototype -prototypes: average/"best" member of category -each has prototype that quickly comes to mind for particular categories Categorization using Prototypes -formed through experience -categorize new objects by comparing them to your prototypes Ex. tree vs. bush -more typical category members categorized faster & easier than typ
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