Be consistent about rules and fair consequences at home. Don't make punishments too harsh or inconsistent.
Model the right behaviors for your child. Abuse and neglect increase the chances that this condition will occur.
Steiner H, Remsing L, Work Group on Quality Issues. Practice parameter for the assessment and treatment of children and adolescents with oppositional defiant disorder. J Am Acad Child Adolesc Psychiatry, 2007;46:126-41.