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.

Question

Quizplus · Accepted Answer

A twin/adoption study involves comparing the similarities and differences in traits or behaviors between twins raised together or apart, as well as between adopted children and their biological vs adoptive parents. Option A fits this description, as it involves comparing identical twins who were separated and raised in different families. Option B is also a type of adoption study, but not specifically a twin study. Option C involves adoption but not a twin study, and option D is a hypothetical scenario that is not an actual study.

Which of the Following Is a Twin/adoption Study