DUAL PERSONALITY By N., Sam M.S. - 122 A condition where a person's personality is divided into 2 independent systems. See dissociate identity disorder. DUAL PERSONALITY: "Joe had dual personality where one was Joe and the other was amean version of Joe." Related Psychology Terms Dissociative Identity Disorder ADOLESCENCE (Theories) MULTIPLE PERSONALITY Using the Hamilton Depression Rating Scale: A Case Study on Grief JUNG, CARL GUSTAV (1875-1961) PERSONALITY TRAIT THEORY Selecting a Diagnosis ANTISOCIAL REACTION CLINICAL PSYCHOLOGY Ethics and Legal Course: Landmark Legal Case Cite this page: N., Sam M.S., "DUAL PERSONALITY," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/dual-personality/ (accessed August 13, 2022).