My hypothesis that conduct disorders in children can lead to criminal activity as adults. The research conducted from this question was that of the Department of Psychology at Memorial University of Newfoundland. Sampson and Laub (1997) view conduct disorder as not a single cause of adult criminal behavior, but rather the beginning of what they call a lifetime of "cumulative disadvantage." Conduct disorder may indeed be the initial cause of problems, but may be replaced by the effects of disapproving and negative reactions from others. Based on previous research, Kratzer and Hodgins (1997) were aware of the association between conduct problems in childhood and adulthood. criminal behavior. The children were divided into four groups. The first three groups were based on where the driving problems were displayed. The first group consisted of children with behavioral problems at school. The children's behavior was rated by their teachers in sixth and ninth grade on a three-point scale. For the second group, a child was considered to have a community conduct problem if he or she had been referred to the Child Welfare Committee for having conduct problems (such as theft, larceny, vandalism, and drug abuse) before the age of 15. old. The third group consisted of children who exhibited behavioral problems both in the community and at school. Finally, the fourth group consisted of children who did not show any cheating....