Multiple Choice
Which of the following is a twin/adoption study?
A) A researcher compares the personalities of identical twins separated at birth, adopted into different families and reunited as adults.
B) A researcher compares an adopted child's personality with the personalities of her biological and adoptive parents.
C) A researcher adopts a child who is a twin.
D) A researcher gives birth to twins and gives them up for adoption.
Correct Answer:

Verified
Correct Answer:
Verified
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