National estimates of IQ and suicide and homicide rates.
Nations with high estimated mean IQ scores had higher suicide rates and lower homicide rates after control for gross domestic product was introduced, significantly in 1970 but not in 1980.
Lester
David
D
Psychology Program, The Richard Stockton College of New Jersey, Pomona 08240-0195, USA.
D006708:Homicide / Q000706:statistics & numerical data*; D006801:Humans; D013405:Suicide / Q000706:statistics & numerical data*; D014481:United States / Q000453:epidemiology