Who Invented the Polygraph Test?
A Polygraph, Popularly Referred to as a Lie Detector Test, Is a Device or Procedure That Measures and Records Several Physiological Indicators Such as Blood...
A polygraph, popularly referred to as a lie detector test, is a device or procedure that measures and records several physiological indicators such as blood pressure, pulse, respiration, and skin conductivity while a person is asked and answers a series of questions.
Who is known as the father of polygraph?
John Augustus Larson (11 December 1892 – 1 October 1965) was a Police Officer for Berkeley, California, United States, and famous for his invention of modern polygraph used in forensic investigations. He was the first American police officer having an academic doctorate and to use polygraph in criminal investigations.
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Who invented the polygraph and when?
William Moulton Marston
Dr. William Moulton Marston, an American lawyer, and psychologist, is credited with the invention of a primitive form of lie detector when he developed in 1915, of the systolic blood pressure test, which would become, subsequently, a component of the modern polygraph. This technique of Dr.
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