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Scientific Study Summary: Chapman, James. “Long-term Retrospective Field Evaluation Of Voice Stress Analysis In A Criminal Justice Setting.” 2012

by admin | Jul 7, 2022 | Research and Scientific Studies

How Did the Chapman Study Demonstrate Voice Stress Analysis Validity for Law Enforcement? In 2012, Professor Emeritus James Chapman conducted a retrospective analysis regarding the use of voice stress analysis (VSA) in law enforcement settings. As the Former Director...

Scientific Study Summary: Hasan, Y. (2017). “Violent Video Games Increase Voice Stress: An Experimental Study.” Psychology of Popular Media Culture 6(1), 74-81.

by admin | Feb 28, 2018 | Research and Scientific Studies

In the field of law enforcement, voice stress analysis technology such as the Computer Voice Stress Analyzer (CVSA ®) is used in a range of applications, including criminal investigations, employment interviews, and immigration investigations. The CVSA detects changes...

Scientific Study Summary: “Analysis of Voice Stress in Call Centers Conversations.” Grazyna Demenko and Magdalena Jastrzebska. 2012

by admin | Jul 6, 2017 | Research and Scientific Studies

Prioritizing Emergency Calls: How Can Dispatchers Use Voice Stress Analysis? The Computer Voice Stress Analyzer (CVSA®) has shown great value as a tool for law enforcement professionals to detect deception. It is commonly used to help solve criminal cases, screen job...

Scientific Study Summary: “An Acoustic Method to Quantify Perceived Vocal Tremor,” Marios Fourakis University of Wisconsin 2010

by admin | Jul 5, 2017 | Research and Scientific Studies

Diagnosing Speech Disorders: Can Voice Stress Analysis be Used in the Medical Field? Although Computer Voice Stress Analysis (CVSA) is most commonly used to interview suspects and witnesses in criminal investigations, the technology’s ability to identify vocal tremors...

Scientific Study Summary: “Structured Interview Assessment of the Field Use of Voice Stress Analyzer Technology.” Department of Defense, 30 Mar. 2007.

by admin | Jul 5, 2017 | Research and Scientific Studies

How is Voice Stress Analysis Technology Viewed in the Law Enforcement Community? In the mid-2000’s, the Department of Defense set out to conduct a qualitative study to investigate the validity and reliability of voice stress analysis (VSA) technology in a military...

Scientific Study Summary:“Policy Review: CVSA is a Valid Law Enforcement Tool.” Hugh Wilson Ridelhuber and Patrick Flood. 2002

by admin | Jul 4, 2017 | Research and Scientific Studies

What are the Benefits of Voice Stress Analysis for Law Enforcement? In August 2002, Dr. Hugh Wilson Ridelhuber and Dr. Patrick Flood submitted a policy review to the Law Enforcement Executive Forum to demonstrate the validity of the Computer Voice Stress Analyzer...
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