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 ...

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 ...

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 ...

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 ...