Reviewed by Amy Morin, LCSW Key Takeaways The term "genius" is no longer used in IQ classifications, but scores above 140 are ...

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 ...

Many people object to intelligence tests. Some say IQ test scores are too often abused. They says it’s unfair that when children “fail” these tests it can mean they receive a worse secondary education ...