The rule of the Wason four-card problem is, "If there is a vowel on one side, then there is an even number on the other side." Let's say you are presented with A, 8, M, and 13, each showing on one of four cards. To see if the rule is valid, you would have to turn over the cards showing
A) 8 and M.
B) A and M.
C) A and 13.
D) 8 and 13.

Question

Quizplus · Accepted Answer

To test the rule effectively, you need to check if a vowel indeed has an even number on the other side (A), and if a card with an odd number (13) does not have a vowel on its other side, as both scenarios could potentially violate the rule.

The Rule of the Wason Four-Card Problem Is, "If There