Marsha Linehan A B C Please Dbt Worksheets – Dialectical behavior therapy (DBT) is a sort of cognitive-behavioral treatment that was developed by Marsha M. Linehan to help individuals that have difficulty managing their actions and feelings. DBT assists people recognize and transform negative thought patterns and habits that may be contributing to their difficulties. One manner in which DBT professionals sustain their customers in this procedure is through the use of worksheets.