Sunday, August 18, 2019

What Is A Polygraph? How Does It Function In Lie Detector?

What Is A  Polygraph?  How Does It Function In Lie Detector?
The examiner can either check the changes in the signs during the test or after the test. Generally, the rapid change in heart rate, blood pressure, and perspiration indicated that is the person is lying.
There is one thing that is not true about the lie-detecting test, i.e. it is always right. It is not true, different people react differently to lying, and the examiner’s intuition can also be subjective, these reasons can fool anyone. Hence this test is not perfect or super accurate. However, if an examiner is highly trained, he or she can detect the lying with higher accuracy. Although it is still cannot be completely trusted.
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