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Lloyd Humphreys
Lloyd Girton Humphreys (December 12, 1913 – September 7, 2003) was an American differential psychologist and methodologist who focused on assessing individual differences in human behavior. His work is among the most widely cited in intelligence research, and he received many prestigious awards in this field.Lubinski D (2004)Lloyd G. Humphreys: Quintessential Scientist (1913–2003) ( PDF ''Intelligence'', 32, 221–226. Born in Lorane, Oregon, Humphreys earned his undergraduate degree at the University of Oregon in 1935, a master's from Indiana University in 1936, where he first learned about factor analysis, then received his doctorate at Stanford in 1938, studying under Ernest Hilgard. His dissertation on the partial reinforcement effect (or the Humphreys effect), is considered a classic in the field. His first position was at Northwestern University (1939–1945). He was a Carnegie Fellow in Anthropology (1941–1942, Columbia University) during that time, then ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Psychology
Psychology is the scientific study of mind and behavior. Psychology includes the study of conscious and unconscious phenomena, including feelings and thoughts. It is an academic discipline of immense scope, crossing the boundaries between the natural and social sciences. Psychologists seek an understanding of the emergent properties of brains, linking the discipline to neuroscience. As social scientists, psychologists aim to understand the behavior of individuals and groups.Fernald LD (2008)''Psychology: Six perspectives'' (pp.12–15). Thousand Oaks, CA: Sage Publications.Hockenbury & Hockenbury. Psychology. Worth Publishers, 2010. Ψ (''psi''), the first letter of the Greek word ''psyche'' from which the term psychology is derived (see below), is commonly associated with the science. A professional practitioner or researcher involved in the discipline is called a psychologist. Some psychologists can also be classified as behavioral or cognitive scientists. Some psychol ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Columbia University
Columbia University (also known as Columbia, and officially as Columbia University in the City of New York) is a private research university in New York City. Established in 1754 as King's College on the grounds of Trinity Church in Manhattan, Columbia is the oldest institution of higher education in New York and the fifth-oldest institution of higher learning in the United States. It is one of nine colonial colleges founded prior to the Declaration of Independence. It is a member of the Ivy League. Columbia is ranked among the top universities in the world. Columbia was established by royal charter under George II of Great Britain. It was renamed Columbia College in 1784 following the American Revolution, and in 1787 was placed under a private board of trustees headed by former students Alexander Hamilton and John Jay. In 1896, the campus was moved to its current location in Morningside Heights and renamed Columbia University. Columbia scientists and scholars have ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Intelligence
Intelligence has been defined in many ways: the capacity for abstraction, logic, understanding, self-awareness, learning, emotional knowledge, reasoning, planning, creativity, critical thinking, and problem-solving. More generally, it can be described as the ability to perceive or infer information, and to retain it as knowledge to be applied towards adaptive behaviors within an environment or context. Intelligence is most often studied in humans but has also been observed in both non-human animals and in plant intelligence, plants despite controversy as to whether some of these forms of life exhibit intelligence. Intelligence in computers or other machines is called artificial intelligence. Etymology The word ''wikt:intelligence#English, intelligence'' derives from the Latin nouns ''wikt:intelligentia, intelligentia'' or ''wikt:intellectus, intellēctus'', which in turn stem from the verb ''wikt:intelligere, intelligere'', to comprehend or perceive. In the Middle Ages, the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Linda Gottfredson
Linda Susanne Gottfredson (née Howarth; born 1947) is an American psychologist and writer. She is professor emeritus 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). She is on the boards of the International Society for the Study of Individual Differences, the International Society for Intelligence Research, and the editorial boards of the academic journals ''Intelligence'', '' Learning and Individual Differences'', and ''Society''. Life and education Gottfredson was born in San Francisco in 1947. She is a third generation university faculty member. Her father, Jack A. Howarth (died 2006), was a faculty member at U.C. Davis School of Veter ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wall Street Journal
''The Wall Street Journal'' is an American business-focused, international daily newspaper based in New York City, with international editions also available in Chinese and Japanese. The ''Journal'', along with its Asian editions, is published six days a week by Dow Jones & Company, a division of News Corp. The newspaper is published in the broadsheet format and online. The ''Journal'' has been printed continuously since its inception on July 8, 1889, by Charles Dow, Edward Jones, and Charles Bergstresser. The ''Journal'' is regarded as a newspaper of record, particularly in terms of business and financial news. The newspaper has won 38 Pulitzer Prizes, the most recent in 2019. ''The Wall Street Journal'' is one of the largest newspapers in the United States by circulation, with a circulation of about 2.834million copies (including nearly 1,829,000 digital sales) compared with ''USA Today''s 1.7million. The ''Journal'' publishes the luxury news and lifestyle magazin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mainstream Science On Intelligence
"Mainstream Science on Intelligence" was a public statement issued by a group of researchers of topics associated with intelligence testing. 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. The statement was drafted by Linda Gottfredson, a professor of educational psychology at the University of Delaware. It was sent to 131 researchers whom Gottfredsen described as "experts in intelligence and allied fields". Of these, 52 signed the statement, 48 returned the request with an explicit refusal to sign, and 31 ignored the request. According to a 1996 response by former American Psychological Association president Donald Campbell, only ten of those who signed were actual experts in intelligence measurement. The Southern ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pioneer Fund
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. One of its first projects was to fund the distribution in US churches and schools of ''Erbkrank'', a Nazi propaganda film about eugenics. From 2002 until his death in October 2012, the Pioneer Fund was headed by psychology professor J. Philippe Rushton, who was succeeded by Richard Lynn. Two of the best known studies funded by Pioneer Fund are the Minnesota Study of Twins Reared Apart and the Texas Adoption Project, which studied the similarities and differences of identical twins and other children adopted into non-biological families. Research backed by the fund on race and intelligence has generated controversy and criticism, such as the 1994 book '' The Bell Curve'', which drew heavily from Pioneer-funded research. The fund also has ties to eugenics, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
The Bell Curve
''The Bell Curve: Intelligence and Class Structure in American Life'' is a 1994 book by psychologist Richard J. Herrnstein and 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 book was and remains highly controversial, especially where the authors discussed purported connections between race and intelligence and suggested policy implications based on these purported connections. Shortly after its publication, many people rallied bot ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Intelligence Test
An intelligence quotient (IQ) is a total score derived from a set of standardized 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. Historically, 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 2.5 percent each above 130 and below 70. Scores from intelligence tests are estimates of intelligence. Unlike, for example, d ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
American Psychological Association
The American Psychological Association (APA) is the largest scientific and professional organization of psychologists in the United States, with over 133,000 members, including scientists, educators, clinicians, consultants, and students. It has 54 divisions—interest groups for different subspecialties of psychology or topical areas. The APA has an annual budget of around $115 million. Profile The APA has task forces that issue policy statements on various matters of social importance, including abortion, human rights, the welfare of detainees, human trafficking, the rights of the mentally ill, IQ testing, sexual orientation change efforts, and gender equality. Governance APA is a corporation chartered in the District of Columbia. APA's bylaws describe structural components that serve as a system of checks and balances to ensure democratic process. The organizational entities include: * APA President. The APA's president is elected by the membership. The president chairs ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Project Talent
Project Talent is a national longitudinal study that first surveyed over 440,000 American high school students in 1960. At the time, it was the largest and most comprehensive study of high school students ever conducted in the United States. Designed by American Institutes for Research founder John C. Flanagan, Project Talent was intended as “the first scientifically planned national inventory of human talents.” Students from 1,353 schools across the country participated in two full to four days of testing. Fifty years later, the data is still widely used in multiple fields of study and follow-up studies are underway with original participants. Origins and Historical Context The study was developed by American Institutes for Research, a nonprofit, nonpartisan research institute, and several other organizations, including the University of Pittsburgh, through a Cooperative Agreement. It was funded by the United States Office of Education. It began as a national survey of th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sample Size
Sample size determination is the act of choosing the number of observations or replicates to include in a statistical sample. The sample size is an important feature of any empirical study in which the goal is to make inferences about a population from a sample. In practice, the sample size used in a study is usually determined based on the cost, time, or convenience of collecting the data, and the need for it to offer sufficient statistical power. In complicated studies there may be several different sample sizes: for example, in a stratified survey there would be different sizes for each stratum. In a census, data is sought for an entire population, hence the intended sample size is equal to the population. In experimental design, where a study may be divided into different treatment groups, there may be different sample sizes for each group. Sample sizes may be chosen in several ways: *using experience – small samples, though sometimes unavoidable, can result in wide conf ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
