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Biological Basis for Personality

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Which of the following findings DO NOT provide evidence for a biological base for personality?

A

Identical twins have more similar personalities than fraternal twins.

B

Adoption studies show that siblings adopted into different homes have more similar personalities than siblings reared together.

C

Distinctive temperaments are apparent early in infancy, often differ from caregiver's personalities, and are highly predictive of later traits.

D

People who travel more tend to be higher on the Big Five traits of conscientiousness and openness than those who do not.

E

Studies have identified distinct personality traits in many animal species.