FAQs
The purpose of this information is to provide an overview for anyone
interested in pursuing a polygraph examination.
What is a polygraph?
The word polygraph is literally derived from the Greek word
“Polygraphos” meaning writing much. Therefore, the etymology of the
polygraph originated from Polys” “much, many” and “Graphos” writing.
A polygraph test is a means to record the physiological responses
(blood pressure, respiration, pulse and skin conductivity while responding to a series of questioning.
Why would a person take a polygraph examination?
Typically people will request a polygraph examination if someone has made an allegation of wrongdoing against them. A polygraph examination allows innocent people the opportunity to prove their innocence and to remove any doubts regarding their innocence.
How accurate is the polygraph at truth verification?
Over the course of recent history, there have been multiple validated studies on the overall accuracy of the polygraph. Polygraph is not infallible and is used to determine truthfulness is not 100%. However, it is internationally recognized that the polygraph is the most accurate diagnostic tool to determine truthfulness or deception.
What is role of the polygraph examiner?
The role of the examiner is to gather data and facilitate questioning that will determine whether or not an examinee is being truthful or showing signs of deception.
How long does a polygraph assessment take?
A typical polygraph assessment will take between 2 and 3 hours to complete, which includes three distinct phases outlined as follows:
Pre-test phase: this phase will include your examiner completing the necessary paperwork/documentation with you prior to the commencement of the polygraph procedure. The examiner will ask some generalized questions regarding your present stated of well being, to ensure that there are no concerns regarding your suitability/capability of taking part in a polygraph assessment. The examiner will explain the entire process to you prior to the commencement of the assessment, including a full explanation of all the components and accessories which are a part of the polygraph instrument. The examiner will provide you with an physiological overview on how a persons physiology changes when attempting deception, vice when a person is telling the truth. All potential test questions will be thoroughly reviewed with you prior to the actual assessment. The examiner will also answer any other questions or concerns that you may have during the procedure.
In-test phase: during this phase you will be attached to the polygraph instrument, and you will be given an opportunity to get acquainted to being attached to the polygraph. None of the components or accessories will cause any physical harm, nor will they hurt you in anyway. Upon becoming comfortable with being attached to the polygraph, the examiner will conduct an “acquaintance test” with you, this will allow you to familiar you with the testing procedure that will be used. A final review of all the test questions that will be used will done, where you will practice answering the questions prior the actual polygraph assessment.
Post-test phase: your examiner will conduct an analysis of the physiological data that has been recorded/collected during the “In-test phase” using the thoroughly researched and validated scoring principles, which are internationally recognized standards to render a final outcome/opinion. When and if required, your examiner will provide you with the opportunity to explain your physiological responses to any of the test questions that you were asked.
What kind of question will I be asked?
The polygraph examiner and the examinee will decide together what test questions will best answer the allegation(s) under examination. There are no surprise or trick questions.
What if I am telling the truth, but I am nervous about taking the examination?
It is normal for people to be nervous about taking a polygraph examination. As long as you are completely forthright about the issue there is no need to be nervous.
How do I arrange an appointment for an examination?
Once you contact us, a polygraph examiner will coordinate a date, time, and location that is suitable and convenient for you.
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