Paul Barrett received his Ph.D. in personality psychometrics from the University of Exeter, UK; Paul Kline was his supervisor. He was a research scientist and eventually co-director with Hans Eysenck of the Biosignal Lab at the University of London’s Institute of Psychiatry for 14 years, Chief Scientist at two of the UK’s High Security Forensic Psychiatric hospitals (Ashworth and The State Hospital, Carstairs), Chief Psychologist at Mariner7 (Carter Holt Harvey plc, NZ), Chief Research Scientist at Hogan Assessment Systems Inc (US), and adjunct Professor of Psychometrics within the University of Auckland Business School, NZ. Currently he is Chief Research Scientist at Cognadev (UK and SA), MD of his own consultancy company, and an Honorary Professor of Psychology at the University of Auckland (NZ). He is an author of several commercial psychological test instruments and an author of over 120 research articles and book chapters. He is a senior associate editor of the academic journal Personality and Individual Differences, an associate editor of the journals Sage Open, Moral Cognition and Communication, and Psychological Reports, and a consulting editor for the Journal of Personality Assessment and Journal of Experimental Education. He is a UK BPS Chartered Psychologist (Associate Fellow), and professional member of the AAAS, APA, APS, and SIOP. His fields of expertise span measurement theory and psychometrics, validity and commercial evidence-base construction and evaluation, the psychology and assessment of individual differences, and non-quantitative computer-intensive analysis methodologies.
