Regarding the polygraph, which of the following statements is/are TRUE?
A)The polygraph may be fooled by self-inflicted pain and tranquilizing drugs.
B)Many cases have been documented in which innocent people were jailed after being convicted on the basis of polygraph evidence.
C)The polygraph is much more likely to label an innocent person guilty than a guilty person innocent.
D)All of these statements are true.

Question

Quizplus · Accepted Answer

All of these statements are true. The polygraph is not always accurate and can be fooled by various methods, such as self-inflicted pain or tranquilizing drugs. There have been cases in which innocent people were convicted based on polygraph evidence, and research suggests that it is more likely to falsely identify an innocent person as guilty than to falsely identify a guilty person as innocent.

Regarding the Polygraph, Which of the Following Statements Is/are TRUE