This paper contends that human organisms are not qualitatively different from infra-human ones. The same principles apply to the acquisition, maintenance and weakening of complex verbal skills as mathematics as to rats pressing bars or pigeons pecking windows. Two aspects of child research are assessment and training. Assessment involves…

The possibility of behavior having important consequences is the focus of this manual with the objective of predicting criminal behavior through the use of an Environmental Deprivation Scale (EDS). The principal analytical method for analysis of the environment is the systematic observation of behavior and the manipulation of environmental…

This report describes an eighteen-month postrelease followup of 142 young male offenders released from Draper Correctional Center in Elmore, Alabama. The basic objectives of the study were the analysis of criminal behavior and the evaluation of institutional treatment programs. Men who had participated in Manpower Development and Training (MDT)…