Therapist Aid Substance Use Worksheets – Dialectical behavior therapy (DBT) is a sort of cognitive-behavioral treatment that was established by Marsha M. Linehan to help individuals who have difficulty controling their feelings and actions. DBT helps individuals determine as well as alter unfavorable thought patterns and also habits that might be adding to their problems. One way that DBT experts sustain their clients in this process is through making use of worksheets.