Card 33 / 54: A friend of yours has never taken a psychology course before. You show her four cards labeled P, 7, E, 4, and ask her which cards need to be turned over to verify the rule "If there is a consonant on the front, then there is an odd number on the back." The correct answer is to turn over the cards labeled "P" and "4", but your friend foolishly turns over cards labeled "P" and "7". You reassure her that most people make this mistake, which is known as (a/an):
A) Schema
B) Functional fixedness
C) Availability heuristic
D) Confirmation bias

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