QUADRANGULAR THERAPY By N., Sam M.S. - 3 The four people involved in quadrangular therapy for the couple and each partner's therapist. All four work together to work out problems in the primary relationship. QUADRANGULAR THERAPY: "Quadrangular therapy seemed to work best for the Smith's." Related Psychology Terms CLINICAL PSYCHOLOGY MARRIAGE THERAPY CHILD PSYCHIATRY Counselor's Role in Emergency Teams EXPERIENTIAL THERAPY MENTAL HEALTH AND ECONOMIC LEVEL Dissociative Identity Disorder CLIENT-CENTERED THERAPY INHIBITION MULTIPLE THERAPY Cite this page: N., Sam M.S., "QUADRANGULAR THERAPY," in PsychologyDictionary.org, April 28, 2013, https://psychologydictionary.org/quadrangular-therapy/ (accessed June 27, 2022).