People often ask, how much does a lie detector test cost and whether the results reliable. A lie detector test, also called a polygraph test, is widely used by individuals, employers, and even law enforcement agencies to determine whether a person is telling the truth. While the polygraph test cost can vary, understanding the factors

When people ask how reliable is a lie detector, they want to know if polygraph tests can truly separate truth from lies. Lie detector tests are often promoted as tools that measure changes in the body to detect deception. In practice, polygraph accuracy remains debated, and results are not always consistent. Polygraph examinations are still