IQ is a measure of intelligence ... French scientist Alfred Binet created the Stanford-Binet Intelligence Scale in 1905. Binet sought to identify special education pupils, not rate them.

How IQ tests originated The Binet-Simon Scale, the first intelligence test ... and are affected by several factors. Although it can measure your abstract reasoning and logical thinking skills ...

IQ tests have undergone huge adjustments over the decades to account for racial, gender, and social biases, as well as ...

This challenges the widely held belief that the two types of intelligences that are measured by IQ tests - logical-mathematical and linguistic - are more critical than others. There are 2 major ...

An unofficial ranking of the world's cleverest countries based on criteria including number of Nobel Prize nominations and average IQ, among others.