Information on the CVSA

The following is a collection of studies assessing the validity of the claims of manufacturers of the CVSA Systems.

Assessing the Validity of Voice Stress Analysis Tools in a Jail Setting (2007)
Review of Voice Stress Based Technologies for the Detection of Deception (2008)
Charlatanry in forensic speech science: A problem to be taken seriously (2007)
Voice Stress Analyzer Instrumentation Evaluation (2006)

Polygraph Information

Accuracy and Validity

Polygraph vs. Voice Stress

Employee Rights