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Templer, Donald I.; Rushton, J. Philippe – Intelligence, 2011
In 50 U.S. states, we found a positive manifold across 11 measures including IQ, skin color, birth rate, infant mortality, life expectancy, HIV/AIDS, violent crime, and state income with the first principal component accounting for 33% of the variance (median factor loading = 0.34). The correlation with a composite of total violent crime was…
Descriptors: Acquired Immunodeficiency Syndrome (AIDS), Crime, Income, Birth Rate