- A three-question logical assessment is said to be the world’s shortest IQ test.
- The quicker you answer the question, the higher your IQ is.
- Only 17% of people have achieved a perfect score.
The Cognitive Reflection Test (CRT) has been hailed as the world’s shortest IQ test. Apparently, it only takes three questions to separate the Einsteins from the Homer Simpsons of this world.
The quiz, developed in Princeton in 2005 by psychologist Shane Frederick, is designed to test your ability to ignore your gut response and think slower and more rationally. Or in psychology-speak, how good are you at ignoring system 1 (intuition) thinking in favor of system 2 (analytic) thinking? To succeed in the CRT, you must spend time reflecting on your answer and question your intuitive response.
Of course, to prove your genius you must get all three questions correct but speed also matters. Speedier answers is another sign of a higher IQ.
So, how smart are you really? Remember, the questions might not be quite as simple as they first seem. Even students at some of the world’s top universities (including Yale and Harvard) failed to get all three answers correct in a 2003 study. In fact, only 17% achieved a perfect score.
1. A bat and a ball cost $1.10 in total. The bat costs $1 more than the ball. How much does the ball cost?
2. If it takes 5 machines 5 minutes to make 5 widgets, how long would it take 100 machines to make 100 widgets?
3. In a lake, there is a patch of lily pads. Every day, the patch doubles in size. If it takes 48 days for the patch to cover the entire lake, how long would it take for the patch to cover half of the lake?
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