What is the accuracy rate of the voice stress analyzer

Voice Stress Analysis: Only 15 Percent of Lies About Drug Use ...

As our findings revealed, the two VSA programs that we tested had approximately a 50-percent accuracy rate in detecting deception about drug use ...

The Computer Voice Stress Analyzer is now the most widely used lie ...

The study found that 100% of voice stress analysis “Stress Indicated” examinations resulted in verifiable disclosures (of victims and sex crimes) ...

Only 15 Percent of Lies About Drug Use Detected in Field Test

Although the two VSA programs we tested had about a 50-percent accuracy rate n ... POLygRAPH AND VOICE STRESS ANALySIS: TRyINg TO FIND THE RIgHT TOOL. The val d ...

What is the accuracy rate of the voice stress analyzer (VSA ... - Quora

The accuracy rate of the voice stress analyzer (VSA) in detecting lies compared to the traditional polygraph machine?

Review of Voice Stress Based Technologies

The principal sales pitch since the early 1970s has been that their particular voice device is more accurate and cost less than the polygraph (or any of the ...

Detecting deception: the promise and the reality of voice stress ...

Without exception, however, the scientific evidence reported to date shows that voice stress analyzers are not effective in detecting deception; none of these ...

IS IT A LIE? - Computer Voice Stress Analyzer

a 95 percent accuracy rate. IS IT A LIE? LAW and ORDER I June 2014. MORE INFORMATION www.cvsa1.com www.nacvsa.org www.nitv1.com. Page 2. It used to be that ...

NITV Falsely Claims Peer-Reviewed Study Shows CVSA Is Highly ...

16.223.)) have in recent years claimed that a 2012 independent peer-reviewed study shows that CVSA has an accuracy rate on the order of 97% or ...

Voice Stress Analysis: Is “Some Evidence” Sufficient Grounds for ...

”40 In comparison to the polygraph, it notes the “American Polygraph Association claims an accuracy rate of. 87.5% but admits 'critics' of ...

Studies Validating the Voice Stress Analysis technology

Professor Chapman's study confirmed that voice stress analysis was accurate when utilized as a truth verification device and produced a confession rate of ...

Voice Stress Analysis Challenges | The Truth About Forensic Science

Conclusion: Accuracy was not significantly greater than chance for the CVSA. DoDPI Research Division Staff, Meyerhoff, J.L., Saviolakis, G.A., ...

Polygraph vs. Voice Stress

To date, we have found no credible evidence in information furnished by the manufacturers [of voice stress analysis equipment], the scientific literature, or in ...

How Did the Department of Defense Verify the Theory Behind Voice ...

Scientific Study Summary: Cistaro, Victor, Ph. D. “A Comparison Between Decision Accuracy Rates Obtained Using Polygraph and the Computer Voice Stress ...

Polygraph and the Case Against CVSA (voice stress) Lie Detection

The polygraph instrument has been subjected to many control and field test validation studies that resulted in an overall accuracy rate of 93% ...

Consider a lie detector called the Computerized Voice ... - Brainly

The manufacturer claims that the CVSA is 98% accurate and, unlike a polygraph machine, will not be thrown off by drugs and medical factors.

Federal Judge Orders Immediate Removal of Website Critical of ...

Any voice stress device has around a 50% reliability rate. Any success you might have had has to do with an examinee being duped into believing ...

Deep Blue Detection - Validity and Reliability

There has been extensive research on voice stress analysis, or CVSA. From 1994 to 1996, 4 separate research studies concluded the following accuracy levels, 37% ...

Momentum Builds for Voice Stress Analysis in Law Enforcement

CVSA boasts more than 95 percent accuracy and lower cost of operation than polygraphs. 28 Jan 2014. LVA: The New Fraud Detector? You can't hide ...

The Validity and Comparative Accuracy of Voice Stress Analysis

In 1988 a new device was developed and marketed, called the Computer Voice Stress Analyzer. (CVSA), which has high accuracy in detecting ...

More deceptive statements about Voice Stress Analysis

Independent research has tied CVSA technology to an accuracy rate that exceeds 95 percent. Polygraph, Merchant says, "is not nearly as close.