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The relationship between lower measured IQ and higher rates of violent behavior in several population studies
Measured averages on IQ tests have historically shown lower mean scores for many Black groups compared with many White groups in some datasets, but leading scientific authorities conclude that those g...
No — Americans are not “all stupid.” Average IQ estimates place the United States solidly in the global middle, with most people clustered around average scores, and the many critiques of IQ measureme...
Socioeconomic factors—especially childhood poverty and school quality—exert large, measurable effects on group differences in IQ test scores, with disparities appearing in infancy and widening through...