Fewer than one in five people pass this IQ test, thought to be the shortest in the world at only three questions long. The Cognitive Reflection Test has a pass rate of just 17 per cent, leaving the ...

It’s best to solve this week’s puzzle (really, three mini-puzzles) without an introduction. I’ll explain why after you’ve given it a shot. Did you miss last week’s puzzle? Check it out here, and find ...

Cognitive reflection and decision-making competence refer to the capacity to override intuitive, automatic responses in favour of more analytical and deliberate thought processes. This field ...

This article is brought to you by our exclusive subscriber partnership with our sister title USA Today, and has been written by our American colleagues. It does not necessarily reflect the view of The ...