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Flynn Effect
The Flynn effect is the substantial and long-sustained increase in both fluid and crystallized intelligence test scores that were measured in many parts of the world over the 20th century, named after researcher James Flynn (academic), James Flynn (1934–2020). When intelligence quotient (IQ) tests are initially Standard score#Standardizing in mathematical statistics, standardized using a Sample (statistics), sample of test-takers, by convention the average of the test results is set to 100 and their standard deviation is set to 15 or 16 IQ points. When IQ tests are revised, they are again standardized using a new sample of test-takers, usually born more recently than the first; the average result is set to 100. When the new test subjects take the older tests, in almost every case their average scores are significantly above 100. Test score increases have been continuous and approximately linear from the earliest years of testing to the present. For example, a study published in ...
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Ourworldindata Wisc-iq-gains-over-time-flynn-2007
Our World in Data (OWID) is a scientific online publication that focuses on large global problems such as poverty, disease, hunger, war, climate change, population growth, existential risks, and inequality. It is a project of the Global Change Data Lab, a registered charity in England and Wales, and was founded by Max Roser, a social historian and development economist. The research team is based at the University of Oxford. The organization is chaired by Hetan Shah. Content Our World in Data uses interactive charts and maps to illustrate research findings, often taking a long-term view to show how global living conditions have changed over time. Two-centuries-World-as-100-people.png, Compilation of graphs from the organization, showing the overall global percentages of the last two centuries, in six factors: extreme poverty, democracy, basic education, vaccination, literacy, and child mortality Global annual CO2 emissions by world region since 1750.svg, Global emission ...
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Wechsler Intelligence Scale For Children
The Wechsler Intelligence Scale for Children (WISC) is an individually administered intelligence test for children between the ages of 6 and 16. The Fifth Edition (WISC-V; Wechsler, 2014) is the most recent version. The WISC-V takes 45 to 65 minutes to administer. It generates a Full Scale IQ (formerly known as an intelligence quotient or IQ score) that represents a child's general intellectual ability. It also provides five primary index scores, namely Verbal Comprehension Index, Visual Spatial Index, Fluid Reasoning Index, Working Memory Index, and Processing Speed Index. These indices represent a child's abilities in discrete cognitive domains. Five ancillary composite scores can be derived from various combinations of primary or primary and secondary subtests. Five complementary subtests yield three complementary composite scores to measure related cognitive abilities. Technical papers by the publishers support other indices such as VECI, EFI, and GAI (Raiford et al., 2015). ...
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European Journal Of Personality
The ''European Journal of Personality'' (EJP) is the official bimonthly academic journal of the European Association of Personality Psychology covering research on personality, published by SAGE Publishing. According to citation reports based on impact factor, the journal ranked seventh of all the empirical journals in the social-personality field. EJP seeks to promote the development of empirical and theoretical work in personality psychology. It publishes papers relevant to advancing the field of personality in the broadest sense, and encompasses topics such as the nature of personality, expressions of personality in a social context, personality development, and the consequences of personality. EJP also publishes work on methodological advances in research on personality. It is abstracted inservices including PsycINFO and Social Sciences Citation Index The Social Sciences Citation Index (SSCI) is a commercial citation index product of Clarivate Analytics. It was originally de ...
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Intelligence (journal)
''Intelligence'' is a bimonthly peer-reviewed academic journal of psychology that covers research on intelligence and psychometrics. It is published by Elsevier and is the official journal of the International Society for Intelligence Research. The journal was established in 1977 by Douglas K. Detterman (Case Western Reserve University). The editors-in-chief are Dragos Iliescu and Samuel Greiff. According to the ''New Statesman'' in 2018, the "journal ''Intelligence'' is one of the most respected in its field" but has allowed its reputation "to be used to launder or legitimate racist pseudo-science". ''Smithsonian (magazine), Smithsonian Magazine'' called it "a more respected psychology journal", but stated that it has "occasionally included papers with pseudoscientific findings about intelligence differences between races". It has been criticized for having included on its editorial board biochemist Gerhard Meisenberg and psychologist Richard Lynn, both known as promoters of eugen ...
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Arithmetic
Arithmetic is an elementary branch of mathematics that deals with numerical operations like addition, subtraction, multiplication, and division. In a wider sense, it also includes exponentiation, extraction of roots, and taking logarithms. Arithmetic systems can be distinguished based on the type of numbers they operate on. Integer arithmetic is about calculations with positive and negative integers. Rational number arithmetic involves operations on fractions of integers. Real number arithmetic is about calculations with real numbers, which include both rational and irrational numbers. Another distinction is based on the numeral system employed to perform calculations. Decimal arithmetic is the most common. It uses the basic numerals from 0 to 9 and their combinations to express numbers. Binary arithmetic, by contrast, is used by most computers and represents numbers as combinations of the basic numerals 0 and 1. Computer arithmetic deals with the specificities of the ...
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Vocabulary
A vocabulary (also known as a lexicon) is a set of words, typically the set in a language or the set known to an individual. The word ''vocabulary'' originated from the Latin , meaning "a word, name". It forms an essential component of language and communication, helping convey thoughts, ideas, emotions, and information. Vocabulary can be oral, written, or signed and can be categorized into two main types: active vocabulary (words one uses regularly) and passive vocabulary (words one recognizes but does not use often). An individual's vocabulary continually evolves through various methods, including direct instruction, independent reading, and natural language exposure, but it can also shrink due to forgetting, trauma, or disease. Furthermore, vocabulary is a significant focus of study across various disciplines, like linguistics, education, psychology, and artificial intelligence. Vocabulary is not limited to single words; it also encompasses multi-word units known as c ...
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Richard Lynn
Richard Lynn (20 February 1930 – July 2023) 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. Many scientists criticised Lynn's work for lacking scientific rigour, misrepresenting data, and for promoting a racialist political agenda. Lynn was associated with a network of academics and organisations that promote scientific racism. He had also advocated fringe positions regarding sexual differences in intelligence. In two books co-written with Tatu Vanhanen, Lynn and Vanhanen argued that ...
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Edward Thorndike
Edward Lee Thorndike ( – ) was an American psychologist who spent nearly his entire career at Teachers College, Columbia University. His work on comparative psychology and the learning process led to his " theory of connectionism" and helped lay the scientific foundation for educational psychology. He also worked on solving industrial problems, such as employee exams and testing. Thorndike was a member of the board of the Psychological Corporation and served as president of the American Psychological Association in 1912. A '' Review of General Psychology'' survey, published in 2002, ranked Thorndike as the ninth-most cited psychologist of the 20th century. Edward Thorndike had a powerful impact on reinforcement theory and behavior analysis, providing the basic framework for empirical laws in behavior psychology with his law of effect. Through his contributions to the behavioral psychology field came his major impacts on education, where the law of effect has great influence ...
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Robert L
The name Robert is an ancient Germanic given name, from Proto-Germanic "fame" and "bright" (''Hrōþiberhtaz''). Compare Old Dutch ''Robrecht'' and Old High German ''Hrodebert'' (a compound of '' Hruod'' () "fame, glory, honour, praise, renown, godlike" and ''berht'' "bright, light, shining"). It is the second most frequently used given name of ancient Germanic origin.Reaney & Wilson, 1997. ''Dictionary of English Surnames''. Oxford University Press. It is also in use as a surname. Another commonly used form of the name is Rupert. After becoming widely used in Continental Europe, the name entered England in its Old French form ''Robert'', where an Old English cognate form (''Hrēodbēorht'', ''Hrodberht'', ''Hrēodbēorð'', ''Hrœdbœrð'', ''Hrœdberð'', ''Hrōðberχtŕ'') had existed before the Norman Conquest. The feminine version is Roberta. The Italian, Portuguese, and Spanish form is Roberto. Robert is also a common name in many Germanic languages, including En ...
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Joseph Lee Rodgers
Joseph Lee Rodgers III (born February 9, 1953) is an American psychologist who specializes in quantitative psychology and topics in developmental psychology and social biology. He is the Lois Autrey Betts Professor of Psychology and Human Development Emeritus at Vanderbilt University, and he is also the George Lynn Cross Research Professor Emeritus at the University of Oklahoma, where he taught from 1981 to 2012. Education and career Rodgers graduated from the University of Oklahoma in 1975 with a B.S. in Mathematics and a B.A. in Psychology. He received his Ph.D. in quantitative psychology from the University of North Carolina at Chapel Hill in 1981, with a minor in biostatistics. His dissertation was on the effects of family configuration on mental development. He is a past president of the Society for the Study of Social Biology, the Society of Multivariate Experimental Psychology, and Divisions 5 and 34 of the American Psychological Association. From 2006 to 2011, he was ed ...
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Stanford–Binet Intelligence Scales
The Stanford–Binet Intelligence Scales (or more commonly the Stanford–Binet) is an individually administered intelligence test that was revised from the original Binet–Simon Scale by Alfred Binet and Théodore Simon. It is in its fifth edition (SB5), which was released in 2003. It is a cognitive-ability and intelligence test that is used to diagnose developmental or intellectual deficiencies in young children, in contrast to the Wechsler Adult Intelligence Scale (WAIS). The test measures five weighted factors and consists of both verbal and nonverbal subtests. The five factors being tested are knowledge, quantitative reasoning, visual-spatial processing, working memory, and fluid reasoning. The development of the Stanford–Binet initiated the modern field of intelligence testing and was one of the first examples of an adaptive test. The test originated in France, then was revised in the United States. It was initially created by the French psychologist Alfred Binet ...
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Ulric Neisser
Ulric Richard Gustav Neisser (December 8, 1928 – February 17, 2012) was a German-American psychologist, Cornell University professor, and member of the US National Academy of Sciences. He has been referred to as the "father of cognitive psychology". Neisser researched and wrote about perception and memory. He posited that a person's mental processes could be measured and subsequently analyzed.Martin, D. (2012, February 25). Ulric Neisser Is Dead at 83; Reshaped Study of the Mind. The New York Times. Pp. A20. In 1967, Neisser published ''Cognitive Psychology'', which he later said was considered an attack on behaviorist psychological paradigms. ''Cognitive Psychology'' brought Neisser instant fame and recognition in the field of psychology. While ''Cognitive Psychology'' was considered unconventional, it was Neisser's ''Cognition and Reality'' that contained some of his most controversial ideas. A main theme in ''Cognition and Reality'' is Neisser's advocacy for experiments ...
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