Dbt Handouts And Worksheets Marsha Linehan – Dialectical behavior therapy (DBT) is a type of cognitive-behavioral treatment that was developed by Marsha M. Linehan to assist individuals who have problem managing their habits as well as feelings. DBT helps individuals recognize and also alter negative thought patterns and actions that might be contributing to their troubles. One manner in which DBT experts sustain their clients in this process is via the use of worksheets.