Question

The overall accuracy of polygraph tests is debated to be accurate between 65 and 95% of the time. Which of the following make it easier to believe its reliability? Individuals have shown to pass the test without detection of a conscious lie. Momentary changes in physiological variables may occur for no reason. Physiological variables like heart rate or skin conductance spike during the telling of a lie. Physiological peaks in arousal can occur for other reasons than a conscious lie.

Answer 1

physiological variable spikr during the telling of a lie

the other three are examples of why it may not be completely accurate