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 ...

To have an average IQ means that you are within normal intelligence range. According to the Wechsler Adult Intelligence Scale, an average IQ score is between 90-109. However, average IQ varies widely ...

Are you smarter than the average U.S. student?Welcome to the ultimate Academic IQ Challenge, inspired by the Nation’s Report ...

IQ tests are simple brain teasers that test your intelligence and critical thinking skills. These puzzles test your logical ...

This is a straightforward vocabulary test, so if you've ever taken the SATs, this will feel totally familiar. Take the quiz here. It's highly unlikely you'll ever need to write something without spell ...

Psychologists administer IQ tests. Some psychologists don't test children younger than 4. Costs for testing can vary by the provider. Isla McNabb, a 2-year-old from Kentucky recently became the ...

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 ...

Research has shown the potential for racial and class bias in IQ testing, so schools are slowly moving away from the practice — but not fast enough for many parents and researchers. Credit: Camilla ...