The Naglieri Nonverbal Ability Test (NNAT) is a nonverbal assessment designed to measure general reasoning ability in K-12 students, helping schools identify students with strong problem-solving ...

Researchers have developed a test that uses children's ability to assemble LEGO pieces to assess their spatial visualization ability. Spatial visualization is the ability to visualize 3D shapes in one ...

High IQ scores were linked to spotting small motions in a visual test High IQ scorers also had trouble spotting larger motions The finding points to the brain efficiently focusing on details as a key ...

A simple technique to measure an individual's visual processing speed -- the speed at which an individual can comprehend visual information -- has been developed in order to identify whether or not ...