The results of this study support independent influences of inherited and environmental factors on the development of antisocial behavior in children, and that important parameters of risk can be estimated in large-scale studies by use of a) official-report records, and b) the straightforward and time-honored technique of obtaining a family psychiatric history. Efforts to support the environment and prevent maltreatment [3]—especially among children at elevated familial risk—continue to hold great promise for improving long-term social developmental outcome for our nation’s youth.
