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A Daily News analysis of vaccination data and IQ averages in each state reveals new patterns among anti- and pro-vaxxers, with five of the 10 states with the lowest IQs landing among the 10 states ...
For comparison, the average IQ is around 100. ... American psychologist Lewis Terman wrote that Mexicans, African-Americans and Native Americans had a mental “dullness” that he claimed was ...
Leading up to the 1990s, IQ scores were consistently going up, but in recent years, that trend seems to have flipped. The reasons for both the increase and the decline are sill very much up for ...
The 1981 article "Average IQ values in various European countries" by Vinko Buj is the only international IQ study that over a short time period has compared IQs using the same IQ test. Rindermann (2007) states that it is of dubious quality with scant information regarding how it was done. [3] [4]
This "deviation IQ" method is now used for standard scoring of all IQ tests in large part because they allow a consistent definition of IQ for both children and adults. By the current "deviation IQ" definition of IQ test standard scores, about two-thirds of all test-takers obtain scores from 85 to 115, and about 5 percent of the population ...
Additional vitamin-mineral supplementation may have an effect also in the developed world. 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 ...
In 2001, political psychologist Aubrey Immelman made an IQ estimation of G. W. Bush based on the SAT Reasoning Test results of Bush (1206) and Al Gore, who achieved IQ scores of 133 and 134 in his school years, and an SAT of 1355: "It's tempting to employ Al Gore's IQ:SAT ratio of 134:1355 as a formula for estimating Bush's probable intelligence quotient—an exercise in fuzzy statistics that ...
Intelligence quotient (IQ) tests do correlate with one another and that the view that the general intelligence factor (g) is a statistical artifact is a minority one. IQ scores are fairly stable during development in the sense that while a child's reasoning ability increases, the child's relative ranking in comparison to that of other ...