Negativistic, hostile, defiant behaviours for at least 6 months
Have particular problems with authority figures.
Annoying to other children, teachers, parents.
Often blame others for how things are, with much anger, resentment, spite, and vindictiveness
Behaviour management is what this is all about.
Pick your battles; don't worry about the small behaviours.
Manage yourself; stay neutral, firm, and cool.
Negotiation is very important; don't be authoritarian.
Rewards can be beneficial
Psycho-social education of parents is very important