If the Range of One or Both Variables Is Restricted,the

question 36

Multiple Choice

If the range of one or both variables is restricted,the resulting correlation coefficient will likely:

• A)be decreased.
• B)be icreased.
• C)remain the same.
• D)either increases or decrease depending on the calculations.

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Definitions:

Experimental Treatment

A new or untested medical intervention or drug being studied to evaluate its effectiveness and safety.

Placebo

A substance or treatment that has no active therapeutic effect, used in clinical trials for comparison.

Fracture

The breaking of a bone, typically as a result of an accident, injury, or excessive force.

Placebo Effect

A beneficial effect, produced by a placebo drug or treatment, that cannot be attributed to the properties of the placebo itself, and must instead be due to the patient's belief in that treatment.