The Grand Canyon State ranked eighth lowest, with an average IQ score of 97.4, nearly 2% below the national average.

A late diagnosis, or no diagnosis at all, can lead to behavioral problems and below-par academic performance. While previous ...

New research from Drexel University's A.J. Drexel Autism Institute found that the use of standardized autism screening during ...

Intelligence is a complex trait that is difficult to define, let alone measure accurately. IQ tests are one of the most ...