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 ...

Isla McNabb, a 2-year-old from Oldham County, recently became the youngest current member of American Mensa, a society for those with high IQs. She tested in the 99th percentile for the Stanford-Binet ...

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 ...

New York City, NY, Nov. 11, 2025 (GLOBE NEWSWIRE) -- BestIQTest.org, the world’s leading cognitive assessment innovator, proudly unveils its next-generation free IQ test online for 2025 and beyond, ...

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 ...