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Wikimedia Commons has media related to People with intellectual disabilities. This category is for individuals with an intelligence quotient score below 70 on a standardized IQ test. [1] Any article included here should have a verifiable proof for the intellectual impairment in its references (i.e., tested IQ test score or formal diagnosis as ...
Richard Lynn (20 February 1930 – July 2023) was a controversial English psychologist and self-described "scientific racist" [1] who advocated for a genetic relationship between race and intelligence. He was the editor-in-chief of Mankind Quarterly, a white supremacist journal. [a] He was lecturer in psychology at the University of Exeter and ...
Lewis Terman. Lewis Madison Terman (January 15, 1877 – December 21, 1956) was an American psychologist, academic, and proponent of eugenics. He was noted as a pioneer in educational psychology in the early 20th century at the Stanford School of Education. Terman is best known for his revision of the Stanford–Binet Intelligence Scales and ...
Intellectual disability. Intellectual disability (ID), also known as general learning disability (in the United Kingdom [3]) and formerly mental retardation (in the United States [4]), [5][6] is a generalized neurodevelopmental disorder characterized by significant impairment in intellectual and adaptive functioning that is first apparent ...
The history of the race and intelligence controversy concerns the historical development of a debate about possible explanations of group differences encountered in the study of race and intelligence. Since the beginning of IQ testing around the time of World War I, there have been observed differences between the average scores of different ...
Williams syndrome (WS), also Williams–Beuren syndrome (WBS), is a genetic disorder that affects many parts of the body. [2] Facial features frequently include a broad forehead, underdeveloped chin, short nose, and full cheeks. [2] Mild to moderate intellectual disability is observed in people with WS, with particular challenges with visual ...
The average IQ of a young adult with Down syndrome is 50, equivalent to the mental age of an 8- or 9-year-old child, but this number varies widely. [3] At the same time, they enjoy a rich social and emotional awareness. [4] Down syndrome is the most common chromosome abnormality in humans, [3] occurring in about one per 1000 babies born each ...
Known for. High IQ. Spouse. Gina Lynne LoSasso. Christopher Michael Langan (born March 25, 1952) is an American horse rancher and autodidact who has been reported to score very highly on IQ tests. [1] Langan's IQ was estimated on ABC's 20/20 to be between 195 and 210, [2] and in 1999 he was described by some journalists as "the smartest man in ...