ED5() (ED-50) By N., Sam M.S. - 1 Abbreviation for effective dose. See therapeutic ratio. ED5() (ED-50): "ED 5 is the short form for effective dose." Related Psychology Terms Characteristics and Behaviors of Effective Counseling MENTAL HEALTH AND ECONOMIC LEVEL MULTIPLE THERAPY Using the Hamilton Depression Rating Scale: A Case Study on Grief THERAPEUTIC WINDOW EXPERIENTIAL THERAPY Counselor's Role in Emergency Teams CLINICAL PSYCHOLOGY Selecting a Diagnosis ENERGIZER (Antidepressant) Cite this page: N., Sam M.S., "ED5() (ED-50)," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/ed5-ed-50/ (accessed September 25, 2022).