Some Employers Use Lie Detector Tests to Screen Job Applicants

question 35

Multiple Choice

Some employers use lie detector tests to screen job applicants.Lie detector tests are not completely reliable.Suppose that a polygraph can detect 64% of lies,but incorrectly identifies 16% of true statements as lies.A company gives its job applicants a polygraph test,asking "Did you tell the truth on your job application?".All the applicants answer "Yes",but the test identifies some of those answers as lies,thereby causing the person to fail the test.Suppose that 90% of the job applicants tell the truth during the polygraph test.What is the probability that a person who fails the test was actually telling the truth?

• A)0.444
• B)0.308
• C)0.16
• D)0.692
• E)0.9

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Definitions:

Low Self-Esteem

A state characterized by a lack of confidence and feeling badly about oneself.

Self-Esteem Boosting

Activities or practices aimed at improving one's feeling of self-worth or self-respect, often through positive reinforcement or achievements.

Self-Kindness

The act of being gentle, compassionate, and understanding towards oneself instead of being harshly critical.

Grandiose Narcissism

A personality trait characterized by an inflated sense of self-importance, a deep need for admiration, and a lack of empathy for others.