Which Statement About Polygraph Tests Is FALSE

question 2

Multiple Choice

Which statement about polygraph tests is FALSE?

• A)It is only possible for trained people to beat these tests.
• B)Its results are based entirely on an individual's physiological response to stress.
• C)Increasing the sensitivity of the test increases the likelihood that it will incorrectly report that someone is lying.
• D)They are the most reliable instruments for detecting when a person is lying.

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Definitions:

Correlation

A statistical measure that indicates the extent to which two or more variables fluctuate together, showing the strength and direction of a relationship.

+.86

This could represent a statistical value, such as a correlation coefficient, indicating a strong positive relationship between two variables.

Discriminant Validity

A measure of the extent to which a construct is truly distinct from other constructs by demonstrating low correlations with measures of unrelated constructs.

Depression

A psychiatric condition marked by a constant state of low mood or a lack of enjoyment in activities, which considerably disrupts daily functioning.