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A study giving such supplementation to "working class", primarily Hispanic, 6–12-year-old children in the United States for 3 months found an average increase of 2 to 3 IQ points. Most of this can be explained by the very large increase of a subgroup of the children, presumably because these were not adequately nourished unlike the majority.
[60] The same authors in a more comprehensive 2008 study, again on Danish male conscripts, found that there was a 1.5-point increase between 1988 and 1998, but a 1.5-point decrease between 1998 and 2003/2004. [61] In Australia, the IQ of 6–12-year-olds (as measured by colored progressive matrices) has shown no increase from 1975 to 2003. [62]
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.
This increase in supporting tissues, which include myelination, blood vessels, and glial cells, leads to an increase in overall brain size. [1] When brain circumference and IQ were compared in 9 year olds, a positive correlation was found between the two. An increase of 2.87 IQ points occurred for each standard deviation increase in brain ...
The resulting fraction was multiplied by 100 to obtain the IQ score. [2] For modern IQ tests, the raw score is transformed to a normal distribution with mean 100 and standard deviation 15. [3] This results in approximately two-thirds of the population scoring between IQ 85 and IQ 115 and about 2 percent each above 130 and below 70. [4] [5]
The post 35 People with Higher IQs Than Einstein appeared first on Reader's Digest. These geniuses reportedly have IQs even higher than Einstein's estimated 160. Learn the creative ways they've ...
[5] Myopia A number of studies have shown a correlation between IQ and myopia. [6] Some suggest that the reason for the correlation is environmental: either people with a higher IQ are more likely to damage their eyesight with prolonged reading, or people who read more are more likely to attain a higher IQ; others contend that a genetic link ...
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