When Experts Are Given Lie Detector Results from People Who

question 298

Multiple Choice

When experts are given lie detector results from people who are known to be either innocent or guilty:

• A) they are usually unable to reliably identify either the innocent or the guilty.
• B) they tend to be very accurate at correctly identifying both the innocent and the guilty.
• C) they tend to do significantly less well in correctly identifying the innocent.
• D) they tend to do significantly less well in correctly identifying the guilty.

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Definitions:

Empirical Rule

A statistical rule stating that for a normal distribution, nearly all data will fall within three standard deviations (denoted as sigma) of the mean.

Numerical Descriptive Measures

Statistics that quantitatively describe or summarize features of a collection of information, such as mean, median, mode, and range.

Population Measurements

The process of obtaining and analyzing specific characteristics or parameters of a defined group of individuals to generalize findings.

Mound-Shaped

A description of a graph of a dataset that has a symmetrical bell-shaped appearance, reflecting a normal distribution.