Dbt Interpersonal Effectiveness Worksheets Dearman – Dialectical behavior therapy (DBT) is a sort of cognitive-behavioral treatment that was developed by Marsha M. Linehan to aid people that have problem controling their behaviors as well as emotions. DBT aids people determine and transform negative idea patterns and habits that might be adding to their difficulties. One way that DBT experts support their clients in this process is through the use of worksheets.