Voice Stress Analysis
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Voice Stress Analysis

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Voice Stress Analysis (VSA) is a controversial lie detection technology. It has been described as pseudoscientifi, and there is no known scientific basis for the underlying theory of "microtremors". Federally funded research showed "little validity" in the technique. A study by Virginia State in 2003, at which time the technique was in widespread use, concluded that "Because there have been no independent scientific studies conducted on the reliability of the computer...