Cognitive Reflection Test: Can you pass shortest IQ test

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The Cognitive Reflection Test has a pass rate of just 17 per cent

, leaving the majority who attempt it boggled.

As part of his research, Professor Frederick had more than 3,000 participants from a range of educational backgrounds complete the test, but even those attending top American universities such as Yale and Harvard struggled to work out all the answers. 2. If it takes five machines five minutes to make five widgets, how long would it take 100 machines to make 100 widgets?

"In this case, catching that error is tantamount to solving the problem, since nearly everyone who does not respond ‘10 cents’ does, in fact, give the correct response."Presh Talwalkar, the author of The Hoy of Game Theory: An Introduction to Strategic Thinking, explained how to work out the correct answers for each of the three questions on his blog, Mind Your Decisions.

 

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