Add Yahoo as a preferred source to see more of our stories on Google. These quizzes won't give you an exact IQ number, but they will tell you how smart you are by testing your expertise in various ...

I’m expecting all kinds of criticism for this blog. Some people will argue it’s overly simplistic. Others will assert it’s misleading--even dangerous—to suggest that you can assess intelligence –at ...

The world's shortest IQ test is just three questions long and can tell if you're smarter than 80 percent of the population. Called the Cognitive Reflection Test (CRT), it has been around since 2005 ...

The 'world's shortest IQ test' has only three questions, but it's far from easy to pass. A study by MIT professor Shane Frederick found that only 17% of participants were able to answer all three ques ...

Asking people to exert more effort on a test of mental ability does not actually improve their score. A recent study published in Intelligence & Cognitive Abilities found that while financial rewards ...