Boundary Worksheet Therapist Aid – Dialectical behavior therapy (DBT) is a sort of cognitive-behavioral treatment that was developed by Marsha M. Linehan to aid individuals who have problem controling their feelings as well as actions. DBT helps people determine as well as change unfavorable thought patterns as well as habits that might be contributing to their troubles. One manner in which DBT practitioners sustain their clients in this procedure is through making use of worksheets.