French psychologist Alfred Binet (1859-1911) took a different tack than most psychologists of his day: he was interested in the workings of the normal mind rather than the pathology of mental illness.

Intelligence Quotient (IQ) tests have intrigued people for decades as a way to measure cognitive abilities. This article delves into the origins, evolution, applications, and significance of IQ tests, ...

Average IQ varies depending on geographic location, resource access, and much more.

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 ...

The French experimental psychologist Alfred Binet (1857-1911), working with colleague Theodore Simon (1873-1961), published a series of articles in 1905 that described tests they had developed to ...

Who has the highest IQ in history? One answer would be: a 10-year-old girl from Missouri. In 1956, according to lore, she took a version of the Stanford-Binet IQ test and recorded a mental age of 22 ...