Compare and contrast the legal issues regarding the evidentiary value of polygraph and voice stress and their acceptance or non-acceptance in court.

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Compare and contrast one research study or article regarding a voice stress examination to one research study or article regarding a polygraph examination [you may select any criminal, intelligence, security or employment investigation].
Compare and contrast the limitations or strengths in the utilization of the voice stress examination as oppose to the polygraph examination from the above studies or articles you have selected.
Compare and contrast the legal issues regarding the evidentiary value of polygraph and voice stress and their acceptance or non-acceptance in court.

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