Tom Is Interested in Working for an Intelligence Branch of the Government,and

Multiple Choice

Tom is interested in working for an intelligence branch of the government,and a polygraph test is part of the interview process.Though Tom was honest,he was anxious throughout the test and failed it.This may have happened because polygraph tests are

A) extremely susceptible to human error.
B) only slightly more accurate than a chance guess about the person's honesty.
C) fairly accurate in identifying people who are lying,but also often suggest that people who are telling the truth are being dishonest.
D) designed to make everyone look guilty.