PSYC 2650 Lecture : Cognitive Psychology Typicality Effect
10 Jan 2012
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Sufficiency: if it has these qualities is it sufficient to put it in that category. Something at a lower level inherits things above it. Canary, don t have to represent it has wings, in level. 3 because the ones above in the 2nd and 1st level have wings. Distance between nodes determines speed on knowledge test. 0 mean zero distance between canary and your asked about it. 1 step removed measurable distance, 2 steps removed same thing, answer after more seconds. Some members of a category or more typical of that category than others. Picture identification: shown pictures, easy for you to categorize, you ll be equally as quick, press yes for dog, press no for anything else. Typicality ratings: rate 1 to 7 how typical of a category different items are. Prototype represents the central tendency for a given category- no need for defining features.
