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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.
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.
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 ...
One's intelligence quotient, or IQ, is regarded by many as being a measure of a person's level of intelligence. A recent study out of the University of Vienna shows that those scores, which are ...
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]
The Triple Nine Society (TNS) is an international high-IQ society for adults whose score on a standardized test demonstrates an IQ at or above the 99.9th percentile of the human population. [3] [4] [5] The society recognizes scores from over 20 intelligence and academic aptitude tests. [6] TNS was founded in 1978.
Among these countries is the United States — with an average monthly after-tax salary of $4,555, the U.S. has the fourth-highest average salary in the world, according to an analysis conducted ...