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An intelligence quotient (IQ) is a total score derived from a set of standardised tests or subtests designed to assess human intelligence. The abbreviation "IQ" was coined by the psychologist William Stern for the German term Intelligenzquotient, his term for a scoring method for intelligence tests at University of Breslau he advocated in a 1912 book.
An idiot, in modern use, is a stupid or foolish person.
The term imbecile was once used by psychiatrists to denote a category of people with moderate to severe intellectual disability, as well as a type of criminal. The word arises from the Latin word imbecillus, meaning weak, or weak-minded. It originally referred to people of the second order in a former and discarded classification of intellectual disability, with a mental age of three to seven years and an IQ of 25–50, above "idiot" and below "moron". In the obsolete medical classification, these people were said to have "moderate mental retardation" or "moderate mental subnormality" with IQ of 35–49, as they are usually capable of some degree of communication, guarding themselves against danger and performing simple mechanical tasks under supervision.
Buck v. Bell, 274 U.S. 200 (1927), is a decision of the United States Supreme Court, written by Justice Oliver Wendell Holmes Jr., in which the Court ruled that a state statute permitting compulsory sterilization of the unfit, including the intellectually disabled, "for the protection and health of the state" did not violate the Due Process Clause of the Fourteenth Amendment to the United States Constitution. Despite the changing attitudes in the coming decades regarding sterilization, the Supreme Court has never expressly overturned Buck v. Bell. It is widely believed to have been weakened by Skinner v. Oklahoma, 316 U.S. 535 (1942), which involved compulsory sterilization of male habitual criminals. Legal scholar and Holmes biographer G. Edward White, in fact, wrote, "the Supreme Court has distinguished the case [Buck v. Bell] out of existence". In addition, federal statutes, including the Rehabilitation Act of 1973 and the Americans with Disabilities Act of 1990, provide protections for people with disabilities, defined as both physical and mental impairments.
Henry Herbert Goddard was an American psychologist, eugenicist, and segregationist during the early 20th century. He is known especially for his 1912 work The Kallikak Family: A Study in the Heredity of Feeble-Mindedness, which he himself came to regard as flawed for its ahistoric depiction of the titular family, and for translating the Binet intelligence test into English in 1908 and distributing an estimated 22,000 copies of the translated test across the United States. He also introduced the term "moron" for clinical use.
The term feeble-minded was used from the late 19th century in Europe, the United States and Australasia for disorders later referred to as illnesses or deficiencies of the mind.
The Kallikak Family: A Study in the Heredity of Feeble-Mindedness was a 1912 book by the American psychologist and eugenicist Henry H. Goddard, dedicated to his patron Samuel Simeon Fels. Supposedly an extended case study of Goddard’s for the inheritance of "feeble-mindedness", a general category referring to a variety of mental disabilities including intellectual disability, learning disabilities, and mental illness, the book is noted for factual inaccuracies that render its conclusions invalid. Goddard believed that a variety of mental traits were hereditary and that society should limit reproduction by people possessing these traits.
Lewis Madison Terman 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 for initiating the longitudinal study of children with high IQs called the Genetic Studies of Genius. As a prominent eugenicist, he was a member of the Human Betterment Foundation, the American Eugenics Society, and the Eugenics Research Association. He also served as president of the American Psychological Association. A Review of General Psychology survey, published in 2002, ranked Terman as the 72nd most cited psychologist of the 20th century, in a tie with G. Stanley Hall.
The obsolete medical terms Mongolian idiocy and Mongolism referred to a specific type of mental deficiency, associated with the genetic disorder now known as Down syndrome. The obsolete term for a person with this syndrome was Mongolian idiot.
The Vineland Training School is a non-profit organization in Vineland, New Jersey with the mission of educating people with developmental disabilities so they can live independently. It has been a leader in research and testing.
IQ classification is the practice of categorizing human intelligence, as measured by intelligence quotient (IQ) tests, into categories such as "superior" or "average".
Intellectual disability (ID), also known as general learning disability in the United Kingdom and formerly mental retardation, is a generalized neurodevelopmental disorder characterized by significantly impaired intellectual and adaptive functioning. It is defined by an IQ under 70, in addition to deficits in two or more adaptive behaviors that affect everyday, general living. Intellectual functions are defined under DSM-V as reasoning, problem‑solving, planning, abstract thinking, judgment, academic learning, and learning from instruction and experience, and practical understanding confirmed by both clinical assessment and standardized tests. Adaptive behavior is defined in terms of conceptual, social, and practical skills involving tasks performed by people in their everyday lives.
Stupidity is a lack of intelligence, understanding, reason, or wit, an inability to learn. It may be innate, assumed or reactive. The word stupid comes from the Latin word stupere. Stupid characters are often used for comedy in fictional stories. Walter B. Pitkin called stupidity "evil", but in a more Romantic spirit William Blake and Carl Jung believed stupidity can be the mother of wisdom.
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 population groups, and there have been debates over whether this is mainly due to environmental and cultural factors, or mainly due to some as yet undiscovered genetic factor, or whether such a dichotomy between environmental and genetic factors is the appropriate framing of the debate. Today, the scientific consensus is that genetics does not explain differences in IQ test performance between racial groups.
There are a variety of disabilities affecting cognitive ability. This is a broad concept encompassing various intellectual or cognitive deficits, including intellectual disability, deficits too mild to properly qualify as intellectual disability, various specific conditions, and problems acquired later in life through acquired brain injuries or neurodegenerative diseases like dementia.
Rosa's Law is a United States law which replaced several instances of "mental retardation" in law with "intellectual disability". The bill was introduced as S.2781 in the United States Senate on November 17, 2009, by Barbara Mikulski (D-MD). It passed the Senate unanimously on August 5, 2010, then the House of Representatives on September 22, and was signed into law by President Barack Obama on October 5. The law is named for Rosa Marcellino, a girl with Down syndrome who was nine years old when it became law, and who, according to President Barack Obama, "worked with her parents and her siblings to have the words 'mentally retarded' officially removed from the health and education code in her home state of Maryland."
The Mental Deficiency Act 1913 was an act of Parliament of the United Kingdom creating provisions for the institutional treatment of people deemed to be "feeble-minded" and "moral defectives". "It proposed an institutional separation so that mental defectives should be taken out of Poor Law institutions and prisons into newly established colonies."
Elizabeth Kite was an American historian specializing in Franco-American history.
State schools are a type of institution for people with intellectual and developmental disabilities in the United States. These institutions are run by individual states. These state schools were and are famous for abuse and neglect. In many states, the residents were involuntary sterilized during the eugenics era. Many states have closed state schools as part of the deinstitutionalisation movement.
References
- ↑ Rafter, Nicole Hahn (1998). Creating Born Criminals. University of Illinois Press, ISBN 978-0-252-06741-9
- ↑ Black, Edwin (2004). War Against the Weak: Eugenics and America's Campaign to Create a Master Race. Thunder's Mouth Press, ISBN 978-1-56858-321-1
- ↑ "The Clinical History of 'Moron,' 'Idiot,' and 'Imbecile'". merriam-webster.com.
- ↑ Trent, James W. Jr. (2017). Inventing the Feeble Mind: A History of Intellectual Disability in the United States. Oxford University Press, ISBN 978-0199396184
- ↑ μωρός, Henry George Liddell, Robert Scott, A Greek–English Lexicon, on Perseus Digital Library
- ↑ Zaretsky, Herbert H.; Richter, Edwin F.; Eisenberg, Myron G. (2005), Medical aspects of disability: a handbook for the rehabilitation professional (third edition, illustrated ed.), Springer Publishing Company, p. 346, ISBN 978-0-8261-7973-9 .
- ↑ Zenderland, Leila (2001). Measuring Minds: Henry Herbert Goddard and the Origins of American Intelligence Testing. Cambridge University Press, ISBN 978-0-521-00363-6
- ↑ World Health Organization (1977). Manual of the International Statistical Classification of Diseases, Injuries, and Causes of Death (PDF). Vol. 1. Jeneva. p. 212.
{{cite book}}: CS1 maint: location missing publisher (link) - ↑ Goddard, Henry H. Who Is a Moron? The Scientific Monthly , Volume 24, Issue 1, pp. 41–46.
- ↑ Chase, Allan (1977). The Legacy of Malthus: The Social Costs of the New Scientific Racism. Knopf/Random House, ISBN 978-0-394-48045-9
