Lie Detector Test: What You Need to Know

Have you ever heard of a lie detector test and wondered what it is all about? A lie detector test is a tool used by law enforcement, among others, to measure physiological responses from a person to determine whether that person is telling the truth. The assessment involves a polygraph machine, an examiner, and a series of questions. By measuring changes in the person’s pulse rate, breathing, and perspiration, the polygraph machine can differentiate truth from lies.

How Does It Work?

The process begins by the examiner asking the person to make a statement about themselves, like their name. After the initial statement, the examiner will ask the person questions related to the issue being investigated. As the person responds to each question, the polygraph machine will measure the physiological changes that take place. These changes will be recorded on a chart that the examiner can review after the test is complete.

Admissibility in the Court

The admissibility of a lie detector test in a court of law is determined by the jurisdiction. In some states, it is permissible for the court to consider the results of a polygraph test when making a decision. In other states, the test results are completely excluded. Ultimately, the court has the final say on which evidence goes into consideration.

Lie Detector Tests in the Workplace

Not only is the lie detector test used by law enforcement, but companies also use the test to ensure honesty and integrity from their employees. For example, some companies use the test to make sure that employees are not engaging in fraudulent activities. It is important to understand the laws in your jurisdiction regarding the use of this type of test in the workplace.

Conclusion

To sum it up, a lie detector test is a tool used to measure physiological responses from a person to determine if they are being truthful or not. It is important to understand the laws in your jurisdiction regarding the use of this type of test in the court or in the workplace. By taking the time to learn about these laws, you can protect both yourself and your company.