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The Tribes and the States ( c. 1935) William James Sidis ( / ˈsaɪdɪs /; April 1, 1898 – July 17, 1944) was an American child prodigy with exceptional mathematical and linguistic skills, for which he was active as a mathematician, linguist, historian, and author (whose works were published covertly due to never using his real name).
IQ scores can differ to some degree for the same person on different IQ tests, so a person does not always belong to the same IQ score range each time the person is tested (IQ score table data and pupil pseudonyms adapted from description of KABC-II norming study cited in Kaufman 2009). [12] [13] Pupil KABC-II WISC-III WJ-III Asher: 90: 95: 111 ...
Mensa is the largest and oldest high-IQ society in the world. [ 3][ 4][ 5] It is a non-profit organisation open to people who score at the 98th percentile or higher on a standardised, supervised IQ or other approved intelligence test. [ 6] Mensa formally comprises national groups and the umbrella organisation Mensa International, with a ...
The relationship between nations and IQ is a controversial area of study concerning differences between nations in average intelligence test scores, their possible causes, and their correlation with measures of social well-being and economic prosperity. This debate started in the early 2000's after Richard Lynn and Tatu Vanhanen constructed and ...
An intelligence quotient ( IQ) is a total score derived from a set of standardised tests or subtests designed to assess human intelligence. [ 1] 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 ...
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320. ISBN. 978-0275975104. IQ and the Wealth of Nations is a 2002 book by psychologist Richard Lynn and political scientist Tatu Vanhanen. [ 1] The authors argue that differences in national income (in the form of per capita gross domestic product) are correlated with differences in the average national intelligence quotient (IQ).
A high-IQ society is an organization that limits its membership to people who have attained a specified score on an IQ test, usually in the top two percent of the population (98th percentile) or above. [ 1][ 2] These may also be referred to as genius societies. [ 1][ 3] The largest and oldest such society is Mensa International, which was ...