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The IQ figures are based on 3 different studies for 17 nations, two studies for 30 nations, and one study for 34 nations. There were actual tests for IQ in the case of 81 countries out of the 185 countries studied. For 104 nations there were no IQ studies at all and IQ was estimated based on the average IQ of surrounding nations. [2]
He argues that substantial correlations between intelligence test scores and measures of well-being exist when the analysis is limited to developed countries, where the IQ results are more likely to be accurate. [5] According to Hunt, such studies are important because they measure the cognitive skills necessary to excel in a post-industrial world.
Most IQ tests are designed to yield a mean score of 100 with a standard deviation of 15; the 98th-percentile score under these conditions is 130.8, assuming a normal distribution. [14] However, American Mensa does not provide a score comparable to scores on other tests; the test serves only to qualify a person for membership. [15]
An intelligence quotient (IQ) is a total score derived from a set of standardized tests or subtests designed to assess human intelligence. [1] Originally, IQ was a score obtained by dividing a person's mental age score, obtained by administering an intelligence test, by the person's chronological age, both expressed in terms of years and months.
Leading up to the 1990s, IQ scores were consistently going up, but in recent years, that trend seems to have flipped. ... The Today Show. 5-year-old sends 'full-on crazy' messages to teacher from ...
Younghoon Kim, 35, from Korea, has the world’s highest recorded IQ, a staggering 276. To put this into context, the average IQ is around 100 with the threshold for genius standing at 140.
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Laurie Brokenshire – Royal Naval officer, magician and world-class puzzle solver [12] Cyril Burt – educational psychologist , developer of factor analysis in psychological testing [ 13 ] Eileen Rose Busby – antiques expert [ 14 ]
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