A Research Study Produces a Negative Correlation Between Hours of Sleep

question 24

Multiple Choice

A research study produces a negative correlation between hours of sleep and test performance. Given this, what do we know about the relationship of the variables?

• A) As hours of sleep decrease, test performance increases.
• B) As hours of sleep increase, test performance increases.
• C) There is no relationship between the variables.
• D) There is a significant relationship between the variables.

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Definitions:

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A legal arrangement in which one party (the agent) agrees to act on behalf of another (the principal) in dealings with third parties.

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Substances whose manufacture, possession, or use is prohibited by law.