Your child's teacher says that you need to find out if your child has ADHD or not. What do you do? Here are some tips from the ADHD Information Library. First, find a clinician, a Psychologist, or Marriage, Family, and Child Therapist, or Psychiatrist, who has a good working knowledge of Attention Deficit Disorder - ADD or ADHD. Most mental health professionals do NOT know much about the disorder, even if they tell you that they do. During my formal training in psychology at both the Master's le.