Conduct disorder
Children with conduct disorder are likely to demonstrate behaviors in the following four categories physical aggression or threats of harm to people ,destruction of their own property or that others theft or acts of deceit ,and frequent violation of age-appropriate rules. Conduct disorder is an enduring set of behaviors that evolves over time ,usually characterized by aggression and violation of the rights of others, conduct disorder is associated with many other psychiatric disorders, including ADHD ,depression ,and leaning disorders, and it is also associated with certain psychosocial factors, such as harsh, punitive parenting, family discord ,lack of appropriate parental supervision, lack of social competence, and low socioeconomic level .the DSM-IV-TR criteria require 3 specific behaviors of the 15 listed, which include bullying , threatening, or intimidating others and staying out at night despite parental prohibitions, beginning before 13 years of age. DSM-IV-TR also specifies that truancy from school must begin before 13 years of age to be considered a symptom of conduct disorder. The disorder can be diagnosed in a person older than 18 years only if the criteria for antisocial personality disorder are not met. DSM-IV-TR describes a mild level of the disorder as showing few , if any , conduct problems in excess of those needed to make the diagnosis and conduct problems that cause only minor harm to others. According to DSM-IV-TR, the severe level shows many conduct problems in excess of the minimal diagnostic criteria or conduct problems that cause considerable harm to others.