Dbt Worksheet 3 Interpersonal Effectiveness Marsha Linehan – Dialectical behavior therapy (DBT) is a type of cognitive-behavioral therapy that was developed by Marsha M. Linehan to aid individuals who have problem regulating their habits and also feelings. DBT aids people identify and also alter adverse thought patterns and actions that might be contributing to their troubles. One manner in which DBT practitioners support their customers in this process is via making use of worksheets.