PrepTest 48, Section 2, Question 1
The effort involved in lying produces measurable physiological reactions such as a speedup of the heartbeat. Since lying is accompanied by physiological reactions, lie-detector tests that can detect these reactions are a sure way of determining when someone is lying.
The effort involved in lying produces measurable physiological reactions such as a speedup of the heartbeat. Since lying is accompanied by physiological reactions, lie-detector tests that can detect these reactions are a sure way of determining when someone is lying.
The effort involved in lying produces measurable physiological reactions such as a speedup of the heartbeat. Since lying is accompanied by physiological reactions, lie-detector tests that can detect these reactions are a sure way of determining when someone is lying.
The effort involved in lying produces measurable physiological reactions such as a speedup of the heartbeat. Since lying is accompanied by physiological reactions, lie-detector tests that can detect these reactions are a sure way of determining when someone is lying.
Which one of the following statements, if true, most seriously weakens the argument?
Lie-detector tests can measure only some of the physiological reactions that occur when someone is lying.
People are often unaware that they are having physiological reactions of the sort measured by lie-detector tests.
Lying about past criminal behavior does not necessarily produce stronger physiological reactions than does lying about other things.
For people who are not lying, the tension of taking a lie-detector test can produce physiological reactions identical to the ones that accompany the act of lying.
When employers use lie-detector tests as part of their preemployment screening, some candidates tested are highly motivated to lie.
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