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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 ...
Nations and IQ. 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 ...
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 International. 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 ...
Christopher Langan. Christopher Michael Langan (born March 25, 1952) is an American horse rancher and autodidact who has been reported to score very highly on IQ tests. [ 1] Langan's IQ was estimated on ABC's 20/20 to be between 195 and 210, [ 2] and in 1999 he was described by some journalists as "the smartest man in America" or "in the world".
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).
The Good Country Index is a composite statistic of 35 data points mostly generated by the United Nations. These data points are combined into a common measure which gives an overall ranking, and a ranking in seven categories: The concept, and the index itself, were developed by Simon Anholt.
The 5-year observed survival rate refers to the percentage of patients who live at least five years after being diagnosed with cancer. Many of these patients live much longer than five years after diagnosis.