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 ...

PORTLAND — More than 150 IQ test sessions scheduled nationwide, include five in Oregon. American Mensa members come from all walks of life: ground-breaking researchers, smart actors who play dumb on ...

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 ...