Polygraph Expert Witnesses

Polygraph expert witnesses may consult on the Employee Polygraph Protection Act, polygraph examinations, polygraph testing and related matters.  The American Polygraph Association FAQ web page answers the question “What is a polygraph?”

The term “polygraph” literally means “many writings.” The name refers to the manner in which selected physiological activities are simultaneously recorded. Polygraph examiners my use conventional instruments, sometimes referred to analog instruments, or computerized instruments. It is important to understand what a polygraph examination entails. A polygraph will collect physiological data from at least three systems in the body.  Polygraph admissibility varies from jurisdiction to jurisdiction. Some states ban it completely; others allow results by stipulation; and some allow polygraph evidence over objection.

Read more re polygraph examination errors, polygraph legislation, etc.: http://www.polygraph.org/

About Karen Olson

Information Professional with twenty years experience in legal, public record, and business research. Fifteen years law firm experience.

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