A lie detector test is primarily used by the government authorities or registered detectives to reveal the hidden facts related to a case. The suspects might be hiding some important points regarding a specified event that matters a lot to the government or the detective. The lie detector test has another name of the polygraph test. A polygraph test is famous for providing aid to the officials at pervasive levels by showing the accuracy of the said statements by every suspect. However, it is not always known to be consistently accurate.
Advantages of conducting a lie detector test: There are specific pros of using a lie-detecting device by the detectives or spies, as well as by the government authorities.
Identification: The lie detector test is famous for showing the real and genuine faces of the suspects in many possible ways. The purpose of this test is to show the true colors of the hidden facts and reveals a lot about certain people involved in the case. It helps in identifying the real criminals and threats to the nation at a comparatively faster pace.
Diagnostic testing: A polygraph test provides the most reliable reports in the areas of testing. Trusted authorities conduct the analysis; hence, the chances of getting a misleading description and results lessen to the minimum percentage.
The intensity of the topic: The seriousness of the issue is determined when someone goes for the option of conducting a lie detector test. This test is not carried out in tiny cases of little importance. Hence, detectives use a polygraph test when the intensity of the matter is high, along with helping them to solve the case faster.
Relevant questions: There consists of two types of questions, control and relevant. The control questions are related to the past incidents of the individual or suspect. Whereas, a relevant question is noted to reveal the facts related to the crime that happened. When there is no difference present in both kinds of questions, then it is known as ‘inconclusive’ case of detection.
Precise results: The lie detector test provides guidance to the detectives and officials in finding the guilty person of the occurred incident or crime. It is known to be very effective in cases where the investigator is somewhat surer and certain about the criminal.
Honesty: Conducting a polygraph test describes the integrity and sincerity of the suspect. When a lie detector test is attached to the fingers of a person, he is supposed to tell the trust only. It helps the examiner getting accurate and clear detailed information about the respected case.
What are the reasons for a false-positive result of a polygraph test?
When electrodes are connected to an individual through wires, it records the person’s heart rate, sweat amount, blood pressure, breath rate, etc. on a blank moving paper. It shows the exact recordings of a person’s health position at the time of conducting a lie detector test. A person is said to be sweating when he is lying to the investigator. But this statement does not always seem to be true in every case, because sweating might occur due to the fear of the lie-detecting process. Along with sweat, there are many other factors available to consider, such as breath rate, pulse rate, and blood pressure.
What is the vitality of skin response in lie detector tests?
When a person is known to be telling the truth regarding the occurred incident, his skin is known to be causing no change. But when a suspect is assumed to be saying false statements about a certain event, his skin is supposed to get a shrink, and he might also get some goose bumps in his hair follicles while saying the answer. Hence, the role of the skin is of utmost importance, and it should be noted down carefully while conducting the recordings of the polygraph test.
Does the polygraph test show exact results always?
It is not known to be always precise; the results of a polygraph test might be misleading sometimes. Therefore, it is highly recommended to the users to not fully rely on the results of a lie detector test due to the fact that it is the sake of an individual’s life. It can impose false accusations on the shoulders of an innocent person. But conducting this test, along with considering other methods, is suggested.
Who can carry out a lie detector test?
A government official of any country or any registered detective or spy is allowed to conduct a lie detector test or polygraph test. A detective also has to take permission from government authorities before carrying out this kind of test. He can also conduct a Guilty knowledge test on behalf of the lie detector test. It is somewhat different from the polygraph test.