Alfred Binet created the first IQ test to identify students needing educational help. Binet's IQ test led to the concept of mental age, comparing a child's intelligence to the average of their peers.

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

For decades, neuropsychologists have used the Wechsler Intelligence Scale for Children test as the gold-standard intelligence quotient (IQ) test to determine the intellectual abilities of children ...

This assessment is inspired by the Wechsler Adult Intelligence Scale (WAIS)®, one of the most widely used measures of adult cognitive ability. You will answer a mix of language-based problems, logic ...

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 ...

The gap in IQ scores between whites and African-Americans has narrowed by at least a quarter since 1972, a pair of researchers contend in a new paper that attempts to skewer the argument that ...