(Thinking Critically)Many Psychologists Are Opposed to the Use of Lie

question 59

Multiple Choice

(Thinking Critically) Many psychologists are opposed to the use of lie detectors because

• A)they represent an invasion of a person's privacy and could easily be used for unethical purposes.
• B)there are often serious discrepancies among the various indicators such as perspiration and heart rate.
• C)polygraphs cannot distinguish the various possible causes of arousal.
• D)they are accurate only about 50 percent of the time.

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Definitions:

Four-Figure Accuracy

Refers to the level of precision in a numerical value, rounded to four significant digits.

Repeating Decimal

A decimal in which one or more digits after the decimal point are repeated infinitely.

Percent Equivalent

A value expressed as a percentage that represents the proportion or ratio of two numbers in relation to each other.

Four-Figure Accuracy

A level of precision in numerical computation where the result is rounded to four significant digits.