(855) 4-ESSAYS

Type a new keyword(s) and press Enter to search

Lie Detectors

            Specific Purpose: To persuade the audience that lie detector tests are unreliable.
             Thesis Statement: Lie detector tests are very unreliable. .
             Organizational Pattern: Topical.
             Introduction Device: Illustration .
             Conclusion Device: Summary.
             Approximate Delivery Time: 3:00.
             Introduction: Your best friend is dead. You were the last person their house and you are now the prime suspect. You didn't commit the crime. They take you into custody and you are forced to take a test. As with any test, while you are taking it, you are extremely nervous. You stumble on some of the answers. The test concludes that you were the murderer and you are sent to jail. What horrible test can this be? It is simply a lie detector test. Lie detector tests are very unreliable. .
             Thesis Statement: Lie detector tests are very unreliable.
             I. Background information.
             A. Polygraph test.
             1. Lie detector test is also called the polygraph test.
             2. Originally was designed for use in criminal cases.
             A. The essentials of the lie detector test.
             1. Monitors a person's physiological reactions when asked a question.
             2. Consists of combination of medical devices used to monitor change in the body.
             3. A person is attached to the machine and is then asked questions.
             4. The examiner looks for several things.
             a. Change in heart rate.
             b. Change in blood pressure.
             c. Change in respiratory patterns.
             d. Change in sweatiness.
             I. Lie detection and the theory behind it is barely developed.
             A. A lie detection test cannot go inside one's mind and really determine whether or not the person actually committed the crime.
             B. A physiological reaction is created upon the test.
             1. Based on fear.
             2. Detects reaction to when a person is most likely to be dishonest.
             A. The lie detector essentially only detects fear and not lies.
             I. The lie detector test can be biased.
             A. Most experts who defend the lie detector test admit that the results center .
             on what the examiner asks the suspect.
             B. It also is based on how the examiner interprets the results as well.


Essays Related to Lie Detectors

1. The Truth about Lie Detectors

Even the term "lie detector," used to refer to polygraph testing, is a misnomer. So-called "lie detection" involves inferring deception through analysis of physiological responses to a structured, but unstandardized, series of questions.... Also, a person being prosecuted with a lie detector test will have an uncontrolled blood pressure and heart rate for the fear of being convicted on true or false accounts. ... " Other psychologists argue that the placebo effect hasn't properly been tested when administering a lie detector test; therefore, some people may not believe in the effic...

  • Word Count: 458
  • Approx Pages: 2
  • Has Bibliography
  • Grade Level: Graduate

2. The Psychology of Telling Lies

Since both detectors have its own pros and cons, it must be tough to decide which lie detector we should employ for criminal justice uses. ... So, if there is a perfectly reliable lie detector, why not use it? ... Therefore, researchers are now turning fMRI into a new kind of lie detector by mapping neural circuits of behind deception. ... fMRI is a reliable lie detector; however, fMRI is still in an experimental phase since there is no proof that fMRI is a perfect machine to detect lies. ... "Lie Detectors: The Truth and Nothing But?" ...

  • Word Count: 700
  • Approx Pages: 3
  • Grade Level: High School

3. The Psychology of Telling Lies

The article 'Don't even think about lying' written by Steve Silberman talks about how fMRI is working as a lie detector and its replaceability for the polygraph which is most frequently used now. Since both detectors have its own pros and cons, it must be tough to decide which lie detector we should employ for criminal justice uses. ... So, if there is a perfectly reliable lie detector, why not use it? ... Therefore, researchers are now turning fMRI into a new kind of lie detector by mapping neural circuits of behind deception. ... fMRI is a reliable lie detector; however, fMRI...

  • Word Count: 674
  • Approx Pages: 3
  • Has Bibliography

4. Polygraphs in the Work Place

Lie detector machines, or polygraphs, are a part of our society that are feared by some, and respected by many. ... Despite the myth of an accurate "lie detector,"" the polygraph test has never been shown to reliably distinguish between truth and deception. ... Civil libertarians believe that lie detector tests are often used as a "fear machine."" ... Other popular forms of trickery that are commonly used in the process of taking a lie detector test is that of "stem testing"". ... It is a common misperception that one must be a sociopathic liar and honestly believe ones own lies to fool a lie-...

  • Word Count: 1812
  • Approx Pages: 7
  • Has Bibliography
  • Grade Level: High School

5. Testing For Honesty

It is unlawful for any employer in Massachusetts, with respect to any of its employees or prospective employees " including any person applying for employment as a police officer " to subject such person to, or request such person to take, a lie detector test, or to discharge, not hire, demote or otherwise discriminate against such person for the assertion of rights arising under this law. This prohibition shall not apply to lie detector tests administered by law enforcement agencies as otherwise permitted in criminal investigations. All applications for employment within the com...

  • Word Count: 335
  • Approx Pages: 1
  • Grade Level: High School

6. Electro magnetisim

Doorbells have the same function as the buzzers, their function differs only because of the moving arm, and the moving arm is attached to a long clapper, which lies beside a circular bell. ... There is another detector that helps detect burglary actions and is also for intruders, it is called the " Motion Detector ", some people have the motion detector in certain parts of the house, these detectors are usually hidden, the motion detector has the function of emitting radio energy into a room and monitors the reflection pattern. ...

  • Word Count: 920
  • Approx Pages: 4

7. Voice Stress Analysis

The art of lie detection has been practiced since the early days of civilization. ... One of the greatest involves the evolution of lie detection. ... The science of lie detection emerged in 1927 with the invention of the polygraph. ... There were other detectors developed through the years, which included optical scanners, infrared scanners, and even odor detectors. ...

  • Word Count: 502
  • Approx Pages: 2
  • Grade Level: High School

8. Brief History of the LASER

The maser was used to amplify radio signals and as an ultrasensitive detector for space research. ... They are the most effective detectors of certain types of air pollution. ... One of the greatest uses for lasers in todays society lies in medicine. ...

  • Word Count: 556
  • Approx Pages: 2

9. War

The use of metal detectors on people entering government buildings along with dogs that can sniff out bombs in vehicles can also help the situation. ... Since the only luggage that is scanned at this time is the carry-on luggage, and individuals that go through the metal detectors. I recommend that all luggage being loaded in the belly of the aircraft, also go through a metal detector being scanned by trained eyes. ... Unfortunately, metal detectors don't pick up plastic explosives that a terrorist could carry on board. ... If the buyers would have lied about the need of the fertilizer at...

  • Word Count: 1479
  • Approx Pages: 6
  • Grade Level: High School

Got a writing question? Ask our professional writer!
Submit My Question