Try to remain calm and avoid getting angry.
Explain what you want the child to do in simple terms.
Give the child time to process your request and responded.
Try to provide visual cues to help the child understand what you are asking.
Use positive reinforcement when the child completes the desired behavior.
Avoid using punishment as it may only serve to increase the child's anxiety.
Be consistent in your expectations and follow through with consequences.
Seek professional help if you are struggling to manage the child's behavior.
Keep communication open with the child's teachers and other professionals involved in their care.
Remember that every child is different and what works for one may not work for another. Be patient and keep trying different strategies until you find what works best for your child.