Oppositional Defiant Disorder (ODD) is defined as a recurrent pattern of negativistic, defiant, disobedient, and hostile behavior toward authority figures that persists for at least 6 months. Behaviors included in the definition are as follows: refusing to follow rules losing one's temper deliberately annoying other people blaming others for one's own mistakes or misbehavior being touchy, easily annoyed or angered being resentful, spiteful, or vindictive arguing with grown-ups actively defying requests Here’s what ODD looks like throughout childhood: Preschool— family instability, including economic stress, parental mental illness, harshly punitive behaviors, inconsistent parenting practices, multiple moves, and divorce, may also contribute to the development of oppositional and defiant behaviors temperamental factors, such as irritability, impulsivity, and intensity of reactions to negative stimuli, may contribute to the development of a pattern of opposit...