A Researcher Finds a Correlation of

question 12

Multiple Choice

A researcher finds a correlation of +.90 between two variables.Assuming the correlation coefficient was calculated correctly,which of the following is definitely not true?

• A) Ability to make predictions for these variables is good.
• B) As values on one measure increase, values on the other measure decrease.
• C) A third variable may be present that explains the correlation.
• D) The variables may be causally related.

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Definitions:

Preauthorization

Authorization or approval for payment from a third-party payer requested in advance of a specific procedure.

Third-party Payer

An entity (usually an insurance company or government agency) that pays medical expenses on behalf of the patient.

Elective Procedure

A medical procedure that is not required to sustain life but is requested for payment to the third-party payer by the patient or physician. Some elective procedures are paid for by third-party payers, whereas others are not.

Predetermination

The act of deciding or establishing something in advance or having a predetermined outcome.