The conjunction fallacy involves making a probability judgement by comparing an object or event to a prototype of the object or event.

Question

Quizplus · Accepted Answer

The conjunction fallacy occurs when people incorrectly believe that the probability of two events occurring together is higher than the probability of one of the events occurring alone. This is not about comparing to a prototype, but rather a misunderstanding of probability.

The Conjunction Fallacy Involves Making a Probability Judgement by Comparing