In criminology, Social Control Theory as represente in the work of Travis Hirschi fits into the Positivist School, Neo-Classical School, and, later, Right Realism. It proposes that exploiting the process of socialization and social learning builds self-control and reduces the inclination to indulge in behaviour recognized as antisocial. It was derived from Functionalist theories of crime and Ivan Nye (1958) proposed that there are four types of control: