Suppose Identical Twins Raised Apart Have a Correlation of

question 95

Multiple Choice

Suppose identical twins raised apart have a correlation of .40 on a measure of some aspect of personality,and identical twins raised together have a correlation of .60 on this same measure.From these data,what can we logically conclude about this trait?

• A)Nonshared environment has an impact because,even raised together,the identical twins do not show a perfect 1.00 correlation.
• B)Nonshared environment has no impact because the identical twins raised apart have a lower correlation than the identical twins raised together.
• C)Shared environment has no impact because identical twins raised apart have a correlation lower than 1.00.
• D)Shared environment has an impact because identical twins raised apart have a correlation of .40.

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Definitions:

Draining Blood

The process of removing blood from the body, typically done for medical reasons such as to relieve pressure from a hematoma or in therapeutic phlebotomy.

Diastolic Pressure

The lower number in a blood pressure reading, representing the pressure in the arteries when the heart rests between beats.

Systolic Pressure

The highest blood pressure measured in the arteries during the contraction phase of the heart cycle.

Korotkoff Sounds

Sounds heard over an artery when blood pressure is determined by the auscultatory method; caused by turbulent flow of blood.