The Heritability Coefficient of Extraversion Is Approximately

question 4

Multiple Choice

The heritability coefficient of extraversion is approximately .5. This means that:

• A)a child psychologist can predict with 50 percent accuracy a client's extraversion level if she knows the extraversion levels of the child's parents.
• B)children inherit 50 percent of the tendencies toward extraversion or introversion from their mother, and 50 percent from their father.
• C)in any given child, half of extraversion is caused by genetic factors and half is caused by the environment.
• D)in a large group of children, 50 percent of the variability in extraversion scores would be due to genetic factors.

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