Dbt Interpersonal Effectiveness Worksheets Dearman – Dialectical behavior therapy (DBT) is a type of cognitive-behavioral therapy that was created by Marsha M. Linehan to assist people that have problem managing their behaviors and feelings. DBT aids people identify as well as alter negative thought patterns as well as habits that may be contributing to their difficulties. One way that DBT experts support their customers in this process is through the use of worksheets.