In this set of 28 visual patterns, you’ll face challenges inspired by the classic Raven’s Progressive Matrices® IQ test, a nonverbal ability test designed to measure abstract reasoning and ...

Visual illusion puzzles are excellent for testing an individual's visual acuity. These mind-bending images challenge our perception and visual skills. In addition to testing observation skills, these ...

That child’s drawing of a house, tree, or person may represent more than an element of the refrigerator-as-art-gallery. It may predict a child’s intelligence later in life. A child’s intelligence at ...