DOD: Detection Of Deception The science, art and skill of detecting untruthful utterances. PDD : Psychological Detection Of Deception Related to the science underpinning DOD BFP : Biofeedback Polygraph Conventional polygraph first devised circa 1925 VSA: Voice Stress Analysis Manual systems. First devised circa 1965.
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Voice Stress Analysis (VSA) is a validated PDD system. It has been subjected to many research projects since 1970. It is as reliable as BFP when used by properly trained and accredited examiners. One recent study validating VSA is the Patil et. al. research paper. Link: View full paper . VSA vs LVA – Layered Voice […]