Do chores when asked. An abused child learns to use his power to make people act in ways he expects them to anyway. Unalleviated pain to an infant is the same as abuse and has the same effect. Trauma that can be recognized can be processed. Sensory triggers begin in infancy.
Behaviors are often metaphors for how the child feels.
The child who lies feels lied to. The child who steals feel stolen, etc. We often confuse respecting the person for respecting their symptoms. Pointing out that the child's behaviors are bad or unacceptable is not the same as telling children that they are bad or unacceptable. It is essential that the usual things are tried before using non-traditional approaches.