Category Archives: IQ

The Genius Famine by Edward Dutton and Bruce G. Charlton

Link: In other words, until about 1800 only the minority of people with (on average) the ‘best genes’ (i.e. the lowest mutation load) would be able to survive and reproduce; and among the great majority of the population only a … Continue reading

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The Gottfredson Bell Curve

Dr. James Thompson writes: If, despite her having made so may contributions to intelligence research, Linda Gottfredson had to be remembered for only one thing, I think it would be for her exposition of the meaning of intelligence in everyday … Continue reading

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Do You Want More Government Services? A Breakdown By Race

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Global Differences In Brain Size

Brain size correlates with IQ. Jayman writes: There are global differences in brain size. Brain size is certainly related to intelligence, both on the individual level (Pietschnig et al 2015) and (even more so) on the group level (though the … Continue reading

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‘How does cognitive ability relate to which groups one dislikes? Unsurprising results.’

Academics: “…we test who shows intergroup bias? and find that people with relatively higher and lower levels of cognitive ability show approximately equal levels of intergroup bias, but towards different sets of groups.” * John Rivers: “Racial differences in IQ … Continue reading

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