he effect on others is between mild and severe. Severe severity should be given if many criterions are met and they cause considerable harm to others (APA).
             Researchers have not yet discovered what causes conduct disorder, but they continue to investigate several psychological, sociological, and biological theories. Psychological and psychoanalytical theories suggest that aggressive, antisocial behavior is a defense against society, the result of maternal deprivation, or a failure to internalize controls. While other psychological theories (behavioral) suggest children use modeling and operant conditioni
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