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3 Biological and Cognitive Correlates of Murder and Attempted Murder in the Italian Regions

Donald I. Templer


Published: 2013/09/01


The present study extends the findings of Lynn (2010), who reported higher mean IQ in northern than southern Italy and of Templer (2012), who found biological correlates of IQ in the Italian regions. The present study found that murder and attempted murder rates were associated with Mediterranean/Mideastern characteristics (lower IQ, black hair, black eyes) and that lower murder rates were associated with central/northern European characteristics (higher cephalic index, blond hair, blue eyes, and higher multiple sclerosis and schizophrenia rates). The eye and hair color findings are consistent with the human and animal literature finding of darker coloration associated with greater aggression.

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