It is important when choosing a practice that you check if they are certified with a reputable board of hypnotherapists. Anyone can promote himself or herself as a hypnotherapist regardless of training or certification. So It pays to do a little research - however most practices are reputable with proper training. Ask where they were trained and who has certified them.
Even when coaches adopt a more empirically validated approach than McNulty did, they still tend to fall into the trap of treating the symptoms rather than the disorder. That’s because they typically derive their treatments from behavioral psychology. Of course, behaviorism has been a great boon to psychiatry in recent years. Findings from this discipline have helped people enormously in controlling specific behaviors and learning to cope in particular situations. But treatments derived from behavioral psychology are sometimes too limited to address the problems that disrupt executives’ ability to function.