Intelligence quotient, usually shortened to IQ, is a measure of how well someone uses information, logic, and reasoning compared to their peers. The first test for measuring IQ was developed by ...

IQ tests, a set of questions that rate a person's intelligence, are quite popular. But, do you know about the world's shortest IQ test? It has only three questions that have managed to stump the most ...

Unlike many other geeks, I have never taken an actual IQ test and thus have no idea what my "IQ" is. Does anyone know of a cheap or, preferably, free IQ test that I can take online? I know IQ tests ...

Have you ever encountered a puzzle that seemed simple at first glance but turned out to be a real head-scratcher ? That's exactly what happened when a couple stumbled upon a visual IQ test that ...

Most people will only go out of their way to do an IQ test for fun, quickly finding a free online test to see how smart they really are. Then there are those who feel they are smarter than the average ...

Each of us possesses a diversity of skills, cognitive and otherwise. However, the cluster of skills we consider to be constituents of intelligence differ in different societies and at different times.

We tend to think of IQ as fixed: Whether you take an IQ test now, next week, or in a decade you should get roughly the same scores. And to an extent that’s true. We’re all born with some level of ...