APA 1 By N., Pam M.S. - April 7, 2013 common abbreviation for the American Psychiatric Association. 2. common abbreviation for the American Psychological Association. APA 1: "The APA publish ethical guidelines that clinicians must adhere to." Related Psychology Terms APAGS APSAA APS 1 AMERICAN ALLIANCE FOR HEALTH, PHYSICAL EDUCA IPA 1 AMERICAN PSYCHIATRIC ASSOCIATION (APA) AMERICAN PSYCHOANALYTIC ASSOCIATION (APSAA) MEEHL, PAUL EVERETT AMERICAN COUNSELING ASSOCIATION (ACA) EFPPA Cite this page: N., Pam M.S., "APA 1," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/apa-1/ (accessed December 13, 2019).