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 ...

Ask yourself these questions if you want to truly test your intelligence—science says they're better than IQ tests.

IQ tests aren't just about numbers and words—they’re also about how well your brain can identify patterns, process visual cues, and apply logic to abstract problems. That’s where non-verbal reasoning ...

Lawrence Whalley received funding from Scottish Government, Henry Smith Charity, BBSRC, MRC, Alzheimer's Research Trust, The Wellcome Trust. Many people object to intelligence tests. Some say IQ test ...