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About Forensic Sobriety Assessment

FSA promotes objective, science-based behavioral assessment of intoxication, including the use of field sobriety testing, and a recognition of the limitations of current knowledge and practices. It provides training and certification to professionals involved in DWI / DUI enforcement.


Steve Rubenzer, Ph.D., ABPP joined the Office of the Forensic Examiner of New Hampshire in 2010 and is Board Certified in Forensic Psychology by the American Board of Professional Psychology. He is Section Editor for Forensic Instruments for the Open Access Journal of Forensic Psychology and a reviewer for reviewer for three scientific journals. Pertaining to DUI, he completed the NHTSA Standardized Field Sobriety Test (SFST) Practitioner and Instructor courses, and has written extensively both for lawyers and for the scientific community. His three scholarly articles on DUI are all publishedin flgasship journals and define the state of knowledge in each respective area. **Rubenzer, S. J. (2007/2008). The Standardized Field Sobriety Tests: A Review of scientific and legal issues. Law and Human Behavior,32(4), 293-313. DOI: 10.1007/s10979-007-9111- y.

**Rubenzer SJ, Stevenson SB. Horizontal Gaze Nystagmus: A review of vision science and application issues. J Forensic Sci 2010 Mar;55(2):394-409.

Rubenzer, S. J. (2010/2011). Judging intoxication. Behavioral Sciences & the Law, 29(1), 116137. Published on-line May 21, 2010.

and together, create a foundation for DUI attonrey to lauch their inquiries. . No other professsional His peer-reviewed papers include recent reviews of the sicentfic literature on udgethe Standardized Field Sobriety Tests, and has written extensively about sobriety testing, including the first peer-reviewed critique of the Standardized Field Sobriety Tests. To better understand the Horizontal Gaze Nystagmus Test (HGN), he completed the graduate course on eye movements at the University of Houston College of Optometry and is first author of the most extensive and only peer-reviewed critique of the HGN test. His most recent paper is a review of the literature on assessing intoxication through behavioral indicators and sobriety tests. An article published in The Champion is available at the following links: Part 1 Part 2

Curriculum vita

Advisory Board

Joel P. Wiesen, Ph.D., Industrial Psychologist, Director of Applied Personnel Research of Newton, MA, expert in test development and validation. Dr. Wiesen served as an expert witness on the field sobriety tests in the seminal case of US v. Horn, the only federal case to address the SFSTs. Curriculum vita

Eric G. Mart, Ph.D., ABPP is a Forensic Psychologist in private practice in Manchester, New Hampshire. He holds a diploma in Forensic Psychology from the American Board of Professional Psychology and has testified in court cases throughout the United States and Canada. Dr. Mart is an internationally known expert on Munchausen’s syndrome by proxy and has published a number of peer-reviewed articles on issues related to forensic psychology, including Munchausen’s Syndrome by Proxy, competency, personal injury, custody, and ethical issues.

Scott B. Stevenson, Ph.D., Associate Professor of Optometry, University of Houston. Dr. Stevenson teaches the graduate eye movements course at the UH College of Optometry, performs original research on this topic, is a reviewer on current eye movement research for several scientific journals, and is currently conducting research on the HGN sobriety test.

Board members serve as advisors regarding the content and appropriate keying of exam questions in their respective areas of expertise. They are not members of the FSA company and assume no liability for its actions.