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Mensa International 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]
Victor Serebriakoff – author and former international president of Mensa [88] Alexander Shulgin – medicinal chemist , biochemist, and rediscoverer of MDMA (ecstasy) [ 89 ] Clive Sinclair – inventor of the Sinclair Executive pocket calculator, founder of Sinclair Research , member of British Mensa, and chairman from 1980 to 1997 [ 90 ]
Tests deemed to insufficiently correlate with intelligence (e.g. post-1994 SAT, in the case of Mensa and Intertel) are not accepted for admission. [ 5 ] [ 6 ] [ 7 ] As IQ significantly above 146 SD15 (approximately three-sigma) cannot be reliably measured with accuracy due to sub-test limitations and insufficient norming, IQ societies with ...
Christopher Michael Langan (born March 25, 1952) is an American horse rancher and former bar bouncer, known for scoring highly on an IQ test that gained him entry to a high IQ society, and for being formerly listed in the Guinness Book of Records high IQ section under the pseudonym of Eric Hart, alongside Marilyn vos Savant and Keith Raniere ...
The category contains notable people who are, or who have been, members of Mensa International, the high IQ society. Subcategories. This category has only the ...
Each form contains 45 questions, with the test taker given 20 minutes to complete each form. [2] [3] The test is utilised by several Mensa chapters in Europe, including Mensa Norway and Mensa Sweden, as well as by Mensa South Africa for their admissions processes. To qualify for Mensa, it is not necessary to complete both forms of the test.
In cases of test-giver mistakes, the usual result is that tests are scored too leniently, giving the test-taker a higher IQ score than the test-taker's performance justifies. On the other hand, some test-givers err by showing a " halo effect ", with low-IQ individuals receiving IQ scores even lower than if standardized procedures were followed ...
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).