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© 2009 Forensic Vetting Ltd


Forensic Vetting Ltd

Castlemill, Burnt Tree,

Dudley, West Midlands,

DY4 7UF


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Telephone: 01213 669 147

Email: enquiries@forensicvetting.com


North West

0161 300 5605

 

 


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0203 691 3980

 

 


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0117 959 5994

 

 


Professional Polygraph Services & Lie Detector Tests

Q. How accurate is the polygraph?
The polygraph is very accurate. Over 250 studies have been conducted during the last twenty five years on the accuracy of the polygraph examination; these can be obtained through the American Polygraph Association. All techniques used by Forensic Vetting Limited are approved by the American Polygraph Association.

Q. What is the difference between a polygraph and a lie detector?
The polygraph instrument is a scientific, diagnostic instrument which is often called the "lie detector". It would be more appropriate, however, to call it the truth verification instrument.

Q. How long does it take for a test?
A polygraph examination takes between 2.5 and 3 hours. The process consists of three phases: 1. A pre-test interview phase 2. The Polygraph Test phase 3. The post-test interview phase

Q. Does being nervous affect the polygraph result?
It is quite normal for a person to feel nervous and the examiner is aware of this. Prior to the examination the polygraph is set to the sensitivity of the examinee.

Q. Are there any trick or surprise questions on the polygraph examination?
You will be informed of the exact wording of each question that will be asked during the course of the polygraph examination. There will be no trick or surprise questions.

Q. Do I have to take a test?
Every polygraph examination is carried out with the consent of the examinee. Examinees are free to leave at any time particularly if they feel the examiner has not been honest with them.

Q. Where are the tests conducted?
Polygraph tests can be arranged at your home or business address or we can arrange suitable premises which are quiet and private, without any disturbances. Alternatively tests can be carried out at our West Midlands or Manchester offices. We are happy to discuss suitable locations to carry out your test.

Q. Can you carry out tests in any foreign languages?
We can carry out polygraph tests in any language with the assistance of interpreters.

Q. When do I get the result?
The verbal result is available after the test and a full written result is issued within 24 hours, either by post or email.

Q. Can medicines or drugs affect the test?
Yes they can, we advise that any examinee does not take any medicines within 24 hours of the examination unless they are prescribed by a doctor. We have a computerised medical information system that can advise us of the effects of medicines and drugs.

Q. Can a Polygraph test be beaten?
No. Firstly, the examiner has to be happy that the examinee is mentally and physically fit to take the test. Secondly, the examiner will monitor the behaviour of the examinee during the whole polygraph test looking specifically for the use of counter-measures. If any are found then the test is classified as “Purposefully none compliant“ which effectively is a failure.

Q. How much will my test cost?
Forensic Vetting will offer the most competitive price in the UK. The cost of your test depends upon the issue to be resolved and the location. For a no obligation quote please call 01213 669147 and speak to one of our examiners.

Q. Will my details and results be held in confidence?
Yes - Forensic Vetting will always hold your details in full confidence.

Here we have answered the most frequently asked questions regarding Polygraph and Lie Detector Tests. If you are unable to find the answer to your question then please get in touch and we will be happy to discuss any concerns or issues you may have.

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