Child psychology is focused on evaluating children who are experiencing emotional difficulties and providing a treatment plan. Rooted in counselling and psychological theories, a child psychologist is an expert on how to help children manage developmental challenges.In addition to working with children, a child psychologist's job includes education, guidance, and support for families. A child psychologist works with parents individually and in groups to teach parents proactive behavioural prevention strategies.Parent management training is an effective tool used by child psychologists to teach parents and caregivers about behavioural change and appropriate discipline. Based on operant conditioning, parent management training focuses on providing encouraging feedback and rewards to entice children to continue positive behaviour.