Wason Selection Task

More than 90 percent of people who attempt this task fail. Use your deductive reasoning and formal logic skills!

You have four cards before you; each card has a number on one side and a color on the other side. The task is to identify exactly which card or cards you MUST turn over in order to determine whether the following proposition is true or false: “If a card has an even number on one side, then its other side is red.”

Wason Selection Task

Make your choice and then read the correct answer and an explanation.

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