Abstract Intelligence (IQ) has emerged as an important determinant of many social and health outcomes, and is associated with criminal behavior. This ecological study tested whether IQ was associated with… Click to show full abstract
Abstract Intelligence (IQ) has emerged as an important determinant of many social and health outcomes, and is associated with criminal behavior. This ecological study tested whether IQ was associated with the use of lethal force by law enforcement by examining estimates of state IQ and mortality from lethal force in 50 U.S. states. These data were obtained from a variety of sources freely available on the Internet, including information about mortality from lethal force from a database compiled by a news website, The Guardian. State IQ was negatively correlated with the rate of people killed by law enforcement (r = −0.50, p
               
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