Which of the Following Is True Regarding Lie Detectors

Multiple Choice

Which of the following is true regarding lie detectors?

A) Polygraphs are accepted as valid evidence in most Canadian courts.
B) Research suggests that traditional polygraphs are about 78% accurate in detecting deceit.
C) Polygraphs are able to detect arousal,but are not valid indicators of lying.
D) Researchers have been unable to identify any techniques to measure deceit.