Mark is 6’4, weighs 200 pounds, and is very muscular. People who think that Mark is more likely to be a football player than an engineer are victims of __________.

The representativeness heuristic occurs when people judge how likely someone is to belong to a group based on how much they resemble a typical member of that group. Mark’s height, weight, and muscular build may resemble a football player, so people may overlook that engineers could be more common. The correct choice is the representativeness heuristic.

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