Describe What a Polygraph, or Lie Detector, Actually Measures,and Discuss

question 209

Essay

Describe what a polygraph, or lie detector, actually measures,and discuss evidence of the effectiveness of polygraph examinations to detect lies.

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Definitions:

Communication Channel

The medium through which a message is transmitted from sender to receiver, such as email, telephone, or face-to-face.

E-mail

A method of exchanging messages and documents electronically over the internet between senders and recipients.

Communication

The process of exchanging information, ideas, and feelings through various methods, such as speech, writing, or gestures, enabling understanding between individuals or groups.

Feedback

The process of providing information or comments about something, such as a person's performance or a product's quality, to help improve or affirm it.