Spatial ability is a bit of a fuzzy concept. There are lots of different tests that can be used to assess it, like mentally rotating a 3D shape or reasoning out how a mechanical object would work. Are ...

One of the goals of intelligence testing has been to help to identify those people who are likely to be productive in life and to give them access to resources that will allow them to maximize their ...

Ninety years ago, Stanford psychologist Lewis Terman began an ambitious search for the brightest kids in California, administering IQ tests to several thousand of children across the state. Those ...