Psychology discloses that a person who experiences the mental responses which vary depending on the situation he undergoes. To put in simple words, a person can experience some internal changes in his body when he tends to speak lie. These internal changes can’t be seen by naked eye. For this purpose, the experts have brought the whole new method of determine whether he is experiencing the internal responses and this method is called as polygraph test or lie detector test. This test is used in various fields to detect the lie and helps to explore the truth.
Applications of lie detector test
This polygraph test is taken on the person by measuring his psychological indicators and they are further recorded to detect whether he is speaking truth or lie. These kinds of the lie detector test are used in various applications that are mentioned here.
- Legal investigations – Most of the people associate this polygraph testing with the criminal justice system. Of course, this test is available for the defendants and also the government departments and even the law enforcement agencies.
- Pre employment screening – Most of the government agencies hire the employees for the sensitive jobs often use the polygraph testing to select the candidate.
- Homeland security – Federal Bureau of Investigation, Central Intelligence Agency have often used this test to reduce the crimes and threats against the nation.
- Corporate investigation – When there is new employee is going to be selected for the corporate job, they will be investigated with this polygraph testing.
- Resolving the domestic conflicts – Anyone who wants to have a peace of mind can use this polygraph testing within their relationships. This test can help to eliminate the disputes easily.
- In banks – As the employees in the banks are responsible to handle large sum of money and some other valuables, they need to be honest. Well, the lie detector test can help here to determine the honesty level of employees.
Apart from these areas, the lie detector test is also used in various places to bring the truth out. If you want to know more details, then you can go online.