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Arthur Robert Jensen was an American psychologist and writer. He was a professor of educational psychology at the University of California, Berkeley. Jensen was known for his work in psychometrics and differential psychology, the study of how and why individuals differ behaviorally from one another.
An intelligence quotient (IQ) is a total score derived from a set of standardized tests or subtests designed to assess human intelligence. Originally, IQ was a score obtained by dividing a person's mental age score, obtained by administering an intelligence test, by the person's chronological age, both expressed in terms of years and months. The resulting fraction (quotient) was multiplied by 100 to obtain the IQ score. For modern IQ tests, the raw score is transformed to a normal distribution with mean 100 and standard deviation 15. This results in approximately two-thirds of the population scoring between IQ 85 and IQ 115 and about 2 percent each above 130 and below 70.
John Philippe Rushton was a Canadian psychologist and author. He taught at the University of Western Ontario until the early 1990s, and became known to the general public during the 1980s and 1990s for research on race and intelligence, race and crime, and other purported racial correlations.
Discussions of race and intelligence – specifically regarding claims of differences in intelligence along racial lines – have appeared in both popular science and academic research since the modern concept of race was first introduced. With the inception of IQ testing in the early 20th century, differences in average test performance between racial groups have been observed, though these differences have fluctuated and in many cases steadily decreased over time. Complicating the issue, modern science has concluded that race is a socially constructed phenomenon rather than a biological reality, and there exist various conflicting definitions of intelligence. In particular, the validity of IQ testing as a metric for human intelligence is disputed. Today, the scientific consensus is that genetics does not explain differences in IQ test performance between groups, and that observed differences are environmental in origin.
The Bell Curve: Intelligence and Class Structure in American Life is a 1994 book by the psychologist Richard J. Herrnstein and the political scientist Charles Murray in which the authors argue that human intelligence is substantially influenced by both inherited and environmental factors and that it is a better predictor of many personal outcomes, including financial income, job performance, birth out of wedlock, and involvement in crime than are an individual's parental socioeconomic status. They also argue that those with high intelligence, the "cognitive elite", are becoming separated from those of average and below-average intelligence, and that this separation is a source of social division within the United States.
The Mismeasure of Man is a 1981 book by paleontologist Stephen Jay Gould. The book is both a history and critique of the statistical methods and cultural motivations underlying biological determinism, the belief that "the social and economic differences between human groups—primarily races, classes, and sexes—arise from inherited, inborn distinctions and that society, in this sense, is an accurate reflection of biology".
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The Pioneer Fund is an American non-profit foundation established in 1937 "to advance the scientific study of heredity and human differences". The organization has been described as racist and white supremacist in nature. The Southern Poverty Law Center classifies the Pioneer Fund as a hate group. One of its first projects was to fund the distribution in US churches and schools of Erbkrank, a Nazi propaganda film about eugenics.
Richard Lynn was a controversial English psychologist and self-described "scientific racist" who advocated for a genetic relationship between race and intelligence. He was the editor-in-chief of Mankind Quarterly, a white supremacist journal. He was lecturer in psychology at the University of Exeter and professor of psychology at the Economic and Social Research Institute, Dublin, and at the University of Ulster at Coleraine. Lynn was a professor emeritus of psychology at Ulster University, but had the title withdrawn by the university in 2018.
Spearman's hypothesis has two formulations. The original formulation was that the magnitudes of the black-white differences on tests of cognitive ability positively correlate with the tests' g-loading. The subsequent formulation was that the magnitude of the black-white difference on tests of cognitive ability is entirely or mainly a function of the extent to which a test measures general mental ability, or g.
Linda Susanne Gottfredson is an American psychologist and writer. She is professor emerita of educational psychology at the University of Delaware and co-director of the Delaware-Johns Hopkins Project for the Study of Intelligence and Society. She is best known for writing the 1994 letter "Mainstream Science on Intelligence", which was published in the Wall Street Journal in defense of Richard Herrnstein and Charles Murray's controversial book The Bell Curve (1994).
Henry Edward Garrett was an American psychologist and segregationist. Garrett was President of the American Psychological Association in 1946 and Chair of Psychology at Columbia University from 1941 to 1955. After he left Columbia, he was visiting professor at the University of Virginia. A.S. Winston chronicles that he was involved in the International Association for the Advancement of Ethnology and Eugenics (IAAEE), the journal Mankind Quarterly, the neofascist Northern League, and the ultra-right wing political group, the Liberty Lobby.
Race, Evolution, and Behavior: A Life History Perspective is a book by Canadian psychologist and author J. Philippe Rushton. Rushton was a professor of psychology at the University of Western Ontario for many years, and the head of the controversial Pioneer Fund. The first unabridged edition of the book came out in 1995, and the third, latest unabridged edition came out in 2000; abridged versions were also distributed.
"Mainstream Science on Intelligence" was a public statement issued by a group of researchers led by psychologist Linda Gottfredson. It was published originally in The Wall Street Journal on December 13, 1994, as a response to criticism of the book The Bell Curve by Richard Herrnstein and Charles Murray, which appeared earlier the same year. The statement defended Herrnstein and Murray's controversial claims about race and intelligence, including the claim that average intelligence quotient (IQ) differences between racial and ethnic groups may be at least partly genetic in origin. This view is now considered discredited by mainstream science.
The IQ Controversy, the Media and Public Policy is a book published by Smith College professor emeritus Stanley Rothman and Harvard researcher Mark Snyderman in 1988. Claiming to document liberal bias in media coverage of scientific findings regarding intelligence quotient (IQ), the book builds on a survey of the opinions of hundreds of North American psychologists, sociologists and educationalists conducted by the authors in 1984. The book also includes an analysis of the reporting on intelligence testing by the press and television in the US for the period 1969–1983, as well as an opinion poll of 207 journalists and 86 science editors about IQ testing.
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.
The Eyferth study, conducted by German psychologist Klaus Eyferth, examined the IQs of white and racially-mixed children raised by single mothers in post-World War II West Germany. The mothers of the children studied were white German women, while their fathers were white and black members of the US occupation forces. In contrast to results obtained in many American studies, the average IQs of the children studied were roughly similar across racial groups, making the study an oft-cited piece of evidence in the debate about race and intelligence.
Donald I. Templer was a retired American psychologist best known for ideas on race and intelligence, and his association with the white nationalist group American Renaissance. He was formerly a professor of psychology at Alliant International University in Fresno, California.
In psychology and criminology, Differential K theory is a debunked hypothesis first proposed by Canadian psychologist J. Philippe Rushton in 1985, which attempts to apply r/K selection theory to human races. According to Rushton, this theory explains race differences in fertility, IQ, criminality, and sexual anatomy and behavior. The theory also hypothesizes that a single factor, the "K factor", affects multiple population statistics Rushton referred to as "life-history traits". It has been criticized as a key example of scientific racism and devoid of empirical basis.
Aurelio José Figueredo is an American evolutionary psychologist. He is a professor of psychology, Family Studies and Human Development at the University of Arizona, where he is also the director of the Ethology and Evolutionary Psychology Laboratory. He is also a member of the interdisciplinary Center for Insect Science at the University of Arizona. His major areas of research interest are the evolutionary psychology and behavioral development of life history strategy, cognition, sex, and violence in human and nonhuman animals, and the quantitative ethology and social development of insects, birds, and primates. He is known for his research on personality, such as a 1997 study in which he and James E. King developed the Chimpanzee Personality Questionnaire to measure the Big Five personality traits in chimpanzees.
References
- ↑ "Winston, Andrew S. (Andrew Spencer), 1946-". Library of Congress Name Authority File. Retrieved 31 January 2019.
- ↑ "Andrew Winston". University of Guelph Media Guide. 1975. Retrieved 31 January 2019.
- ↑ Paul, Annie Murphy (1 December 1999). "Painting insanity black". Salon. Retrieved 31 January 2019.
- ↑ Gatehouse, Jonathan (11 July 2000). "Rushton Has Supporters at U.S. Book Launch". National Post. Archived from the original on 26 November 2022. Retrieved 31 January 2019.
{{cite news}}: CS1 maint: unfit URL (link) - ↑ "SHP Past Presidents". Society for the History of Psychology. Archived from the original on 18 February 2019. Retrieved 31 January 2019.
- ↑ Winston, Andrew S. (2018-10-01). "Neoliberalism and IQ: Naturalizing economic and racial inequality". Theory & Psychology. 28 (5): 600–618. doi:10.1177/0959354318798160. ISSN 0959-3543. S2CID 149630421.
- ↑ Kohn, Marek (26 June 2016). "A race apart". Index on Censorship. 28 (3): 79–83. doi: 10.1080/03064229908536590 . S2CID 143859094.
- ↑ Rathus, Spencer A.; Veenvliet, Scott G.; Maheu, Shannon J. (2011). Psych. Cengage Learning. p. 156. ISBN 9780176503468.
