Lie detector testing is to detect whether a person is telling truth or not, mainly used in the interrogations. This term is mainly familiar with civil and criminal cases. Lie detection is done from ancient times. It has changed the tools but the underlying aim is to know the truth. In ancient times spit was used to know whether the person is telling lie or not. In the middle age torture was used. But on humanitarian grounds it is not acceptable. The validity of these tests is questionable in the olden days, but nowadays due to the advancement of technology made it possible to get accurate results.
Lie Detection – Professional Certification
Certification is very much important for the conducting of these tests. These tests are related to law and psychology, if the lawyers are well versed in psychology it will be helpful for them to detect the truth or lie, told by their clients to them. In the course of study of law, psychology should be introduced as one of the subjects. The topics of psychology related to the legal world should be incorporated in the syllabus of law. The judgement is not given based on the results of the polygraph tests. In the law there is a notion that no person should be punished if he is not guilt. So, these tests are only used to get the truth out of them rather than giving judgement. Only in few cases it is admissible as evidence. It is the basis for the further investigation. Nowadays it is also being used in the TV shows to entertain the viewers.
If you are looking for a professional lie detecting service in UK, go to liedetectors.co.uk.