Children with a trauma history are first and foremost human beings who are children, so all typical developmental stages and motivations for behaving well or poorly will still apply to them. IN ADDITION, their trauma can create additional or atypical issues and behaviors that can cause problematic behavior that is truly "unintentional" and difficult for them to regulate. Here is an article describing in detail how to determine why a child is behaving in a problematic way and how to prevent or redirect it.