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In the United Kingdom, a study by Flynn (2009) himself found that tests carried out in 1980 and again in 2008 show that the IQ score of an average 14-year-old dropped by more than two points over the period. For the upper half of the results, the performance was even worse. Average IQ scores declined by six points.
For comparison, the average IQ is around 100. Albert Einstein and Stephen Hawking ranked close to 160. ... discovering that scores could change over time, ... Britain left the EU and Americans ...
The much-discussed "Flynn effect", which refers to the striking worldwide mean IQ increase over time, seemed too large to have simply reflected increased test sophistication. Possible explanations included improved nutrition and more complex environment. It was also unclear to what degree the IQ increase reflected real gain in intelligence.
Americans’ IQ scores are trending in a downward direction. In fact, they’ve been falling for over a decade. According to a press release, in studying intelligence testing data from 2006 to ...
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 New York Times reports: "The new findings, from a landmark study published [in June 2007], showed that eldest children had a slight but significant edge in IQ — an average of three points ...
After studying historical IQ tests, Flynn noticed that although the IQ tests were always calibrated so that a score of "100" was average, the actual raw scores showed that people's performance on the IQ tests improved over time. Flynn calculated that the average American in the year 1900 would have scored a 67 on the version of IQ tests ...
For example, the average scores of black people on some IQ tests in 1995 were the same as the scores of white people in 1945. [70] As one pair of academics phrased it, "the typical African American today probably has a slightly higher IQ than the grandparents of today's average white American." [71]
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