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Dr. Donald Addington


Professor, University of Calgary

(403) 944-2637

AC 289B SSBDepartment of Psychiatry Foothills Hospital1403 29 Street NWCalgary Alberta Canada T2N 2T9


Research Activities: 
  1. First Episode Psychosis Fidelity Scale (FEPS-FS)
  2. First Episode Psychosis Fidelity Scale Manual

Dr. Donald Addington is a professor in the Department of Psychiatry and is active in research, education, clinical practice and administration. His research activities include health services research and knowledge synthesis with a focus on quality and outcome of schizophrenia and particularly First Episode Psychosis Services. His most recent activity has been the development of a Fidelity Scale for First Episode Psychosis Services the FEPS-FS. He has over 120 peer reviewed publications and has received grants from the National Institutes of Health, Canadian Institutes of Health Research and Alberta Heritage Foundation for Medical Research. Dr. Addington established the psychosis research group at the University of Calgary in 1986. This group has continued to the present time and is now a component of the Mathison Centre. In 1990 he published the Calgary Depression Scale for Schizophrenia which has become the internationally recognized gold standard for the assessment of depression in schizophrenia and has been translated into 40 languages. Nationally Dr. Addington has chaired working groups for the development of the Canadian Clinical Practice Guidelines for Schizophrenia. In Calgary he has obtained competitive health services grant support to develop the First Episode Psychosis services comprised of both first episode psychosis clinics and specialized clinics for those at high risk of developing schizophrenia. These services have now become established components of Alberta Health Services. In addition to his research career Dr. Addington was for 11 years the Chairman of the Department of Psychiatry at the University of Calgary and Head Calgary Health Region Regional Clinical Department of Psychiatry. He then served two three year terms as the Board Chair of the Canadian Psychiatric Association. He has served on a number of committees for the Canadian Institutes for Health Information, the Mental Health Commission of Canada, the Royal College of Physicians and Surgeons of Canada. He is currently the chair of the International Early Psychosis Association Task force on Early Intervention Services Fidelity. 

  • M.D. (Doctor of Medicine)