Your Forehead Reveals Your Hidden Personality Traits This brain teaser challenges you to spot who is the real mother of the child in just ... others ignore. This IQ test will check if you can ...

Children with Down syndrome were not seen as ... and social status was already determined by how she performed on an IQ test?

Intelligence tests appeared in the early 20th century. The first attempts to measure mental abilities were made by the French psychologist Alfred Binet, who developed a test to identify children with ...