Introduction
The Positivist School of Criminology rejected the Classical School's idea that all crime resulted from a choice that could potentially be made. Though they did not disagree with the Classical School that most crime could be explained through "human nature," they argued that the most serious crimes were committed by individuals who were "primitive" or "atavistic"--that is, who failed to evolve to a fully human and civilized state. Crime therefore resulted not from what criminals had in common with others in society, but from their distinctive physical or mental defects. …