Understanding Lie Detector Tests: What You Need to Know

The veracity of people is frequently evaluated using lie detector tests, also referred to as polygraph exams, in a variety of contexts, such as criminal investigations, pre-employment screenings, and security clearance evaluations. Although they are occasionally depicted in movies and television shows as surefire ways to discern if someone is telling the truth or lying, they are not perfect, and there has been discussion about their dependability and accuracy.