What is a polygraph used for?
Correct answer: Measuring small changes in pulse and respiration
delayna
Flutterby, it is a pseudo- science , that is used against someone in some states and countries to convict for a crime . 😳 so never take one, cause even a innocent person can fail that test .
Woody
delayna, It can't be used to convict because it can't be used in a court of law