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What Is a Polygraph Test? - History, Reliability & Accuracy

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

What is a variable or factor that can affect the accuracy of a polygraph?

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1. A polygraph test measures _____.

2. The United States Supreme court has ruled that the polygraph test is _____.

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About This Quiz & Worksheet

Polygraphs tests are used to determine if an individual is being truthful or deceptive when questioned about a particular circumstance or set of facts. The quiz /worksheet combo lets you test your knowledge of the invention and development of polygraph tests and their use by the criminal justice system.

Quiz & Worksheet Goals

In these assessments you'll be tested on:

  • The development of polygraph tests
  • The psychologists credited with the development of the polygraph machine
  • The uses of polygraph tests
  • The acceptance of polygraph tests in U.S. courts
  • The accuracy of polygraph tests

Skills Practiced

This quiz and worksheet lets students practice the following skills:

  • Information recall - access the knowledge you've gained on the history of polygraph tests and issues surrounding their use
  • Knowledge application - use your understanding of polygraph tests to answer questions about their accuracy and reliability
  • Making connections - use your understanding of the accuracy of polygraph tests to explain their use and level of acceptance in the criminal justice system
  • Critical thinking - use your understanding of the function and reliability of polygraph tests to examine their use in a different light

Additional Learning

To learn more, review the accompanying lesson on the history and issues of polygraph tests. This lesson covers the following objectives:

  • Explains what polygraphs measure to determine truth and deception
  • Reviews research on the accuracy of polygraph tests
  • Explains factors that contribute to the accuracy of polygraphs tests
  • Explains how law enforcement uses polygraphs tests
  • Explains how private industry uses polygraph tests
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