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ICS provides high-quality Polygraph and Lie Detection services to attorneys, businesses, organizations and private individuals. We offer Polygraph services for a wide range of purposes, including criminal investigations, civil litigation, employee screening, infidelity, marital and domestic issues, child custody and more.
A polygraph machine records the body's involuntary responses to an examiner's questions in order to ascertain deceptive behavior. The test measures physiological data from three or more systems of the human body—generally the respiratory, cardiovascular, and sweat gland systems—but not the voice. There are other tests that test the voice for deception.
Polygraph Testing usually takes around 2 hours from beginning to end and consists of three different phases; pre-test interview, collection of charts, and analysis of charts.
When a person takes a polygraph test, four to six sensors are attached to the person. A polygraph is a machine in which the signals from the sensors are recorded on a single strip of moving paper. The sensors usually record:
● The person's breathing rate
● The person's pulse
● The person's blood pressure
● The person's perspiration
Sometimes a polygraph will also record things like arm and leg movement.
When the polygraph test starts, the questioner asks three or four simple questions to establish the norms for the person's signals. Then the real questions being tested by the polygraph are asked. Throughout questioning, all of the person's signals are recorded on the moving paper. Both during and after the test, a polygraph examiner can look at the graphs and can see whether the vital signs changed significantly on any of the questions. In general, a significant change (such as a faster heart rate, higher blood pressure, increased.
Call ICS today if you have any pre-employment screening needs, and we will help you to find the truth.
What is your role?
Have you given the employee written notice of the investigation?
Could someone's employment be affected adversely from the results of this investigation?
Is this polygraph to determine possible acts of sabotage, espionage and terrorism?
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Is this investigation part of an ongoing and specific investigation?
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