What is this psychological effect called?

enwar3

Golden Member
Jun 26, 2005
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Take for example someone who has lived in a civilization growing only tomatoes. When he is presented with an apple, he assumes its a tomato because that's what he knows. There's a specific name for this, but I can't find it..
 

Whisper

Diamond Member
Feb 25, 2000
5,394
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Sounds a bit like functional fixedness, coupled with perhaps just a generalization of learned hierarchies/concepts.