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Kenneth Richardson (born 21 July 1942) is a British psychologist, author, and former lecturer at the Open University, where he began working in 1971. [1] [2] He has written several books highly critical of IQ testing and related concepts in the field of psychometrics, such as Spearman's g.
The test is currently in its second edition, published in 2015. [2]Both editions are suitable for evaluation of intellectual giftedness, [3] and high scores are accepted as qualifying evidence for high IQ societies such as Intertel (min. IQ ≥ 135) and American Mensa (min. IQ ≥ 130).
The current version of the test, the WAIS-IV, which was released in 2008, is composed of 10 core subtests and five supplemental subtests, with the 10 core subtests yielding scaled scores that sum to derive the Full Scale IQ. With the WAIS-IV, the verbal/performance IQ scores from previous versions were removed and replaced by the index scores.
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 ...
The self-tests should be treated as entertainment. [2] A website, freeiqtest.com, has been around for 24 years and offers a test created by licensed psychometricians. The official website of Mensa International, which is the largest and oldest high IQ society in the world, [3] does not offer an online IQ test. It does offer an online quiz for ...
Jensen concluded that "the currently most widely used standardized tests of mental ability -- IQ, scholastic aptitude, and achievement tests -- are, by and large, not biased against any of the native-born English-speaking minority groups on which the amount of research evidence is sufficient for an objective determination of bias, if the tests ...
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