This document discusses different types of therapies used to treat psychological disorders. It describes the differences between psychotherapy, which uses psychological techniques, and biomedical therapy, which uses prescribed medications or procedures to directly impact physiology. Several major psychotherapy approaches are then outlined, including psychoanalysis, psychodynamic therapy, humanistic therapies, behavior therapy, cognitive therapy, and family/group therapies. The techniques and goals of each approach are defined. The document also evaluates the effectiveness of psychotherapy in general.