5. Determining whether someone is being truthful is important in all walks of life and, historically, the methods used have ranged from torture through interrogation to interview. Which, if any, of the following statements about the lie detector are also true? * (1 Point) Polygraph methods of lie detection are reliable. The rationale behind the polygraph is that the act of lying causes measurable psychophysiological changes in emotional arousal. Both (a) and (b). O Neither (a) nor (b).