How do you know what type of therapy is best for you? It is important to find a type of therapy and therapist that best fits your needs. CBT (Cognitive Behavioural Therapy) is a form of psychotherapy and is one of the most common forms of therapy. It is an umbrella term under which many different types of therapy fall, including DBT (Dialectical Behaviour Therapy). DBT was created to expand the CBT method, using its foundations, so they do have some differences between them.