Lie Detector

How Polygraph Test Works

Things to Consider Before Hiring a Company to Set Up a Lie Detector Test


Most people think of lie detector tests as something the police use to see if a suspect in a crime is telling the truth, but lie detector tests are used in government and private industry for a number of reasons. If you are considering hiring a company to set up a lie detector test for your company, here are some things you should take into consideration.

Is the company licensed?

Giving a polygraph test is part science and part art. The machine cannot actually tell if someone is lying; it only measures physiological responses to the test to make a prediction. It takes a trained polygraph examiner to interpret the results and give a solid recommendation. That's why it's important to hire a trained and licensed polygraph technician so you get good reliable results.

Are you looking for a specific thing or just fishing?

It can help your polygraph examiner to know what you are seeking, which will guide how he or she sets up the test. For example, is this just a general screening of potential employees or are you trying to root out a potential act of corporate espionage.

What will you do with the information?

It's also helpful for your polygraph examiner to know what you plan to do with the information. Will it be used to terminate someone or turn them over to the authorities, for instance? This information also can play a role in how the test is constructed.

Polygraph testing can be a valuable tool for businesses, but you should take these issues under consideration before giving one to your employees.