verity. Birth Weight: The birth weight of the participant was measured in hectograms. Family Problems: All reports of family problems were taken from the Child Welfare Committee. Individual problems: Problems such as adjustment issues were scored and taken from child welfare agencies. For the overall sample prevalence of conduct problems was low. Only 7.2% of males and 2.1% of females were scored as having conduct problems. For the criminality and mental disorders there were not only more offenders among males but more than any other group. Males identified for conduct problems in childhood, as compared to the males with no history of conduct problems, were found to be at increased risk for crime and substance abuse in adulthood. In conclusion to the study the following evidence suggests that children with conduct disorder may be at risk for major mental disorders. Other outcomes also show that children with conduct problems also have a higher incidence of criminality as an adult. Antisocial personality disorder in adulthood is almost always preceded by conduct disorder in childhood.In this study, the data did support the researchers hypothesis that childhood conduct disorder leads to adult criminality and mental disorder. Some weaknesses do exist in this study such as biased sample by taking high risk participants and relying on self reports by adults on the childs behavior. It is unsure that childhood conduct problems is associated with adult deviance because of the sample used. The norms for this study were good because they were set for the norms of Sweden....
