Adoption studies:
A)Lack the control of a real experiment because researchers cannot manipulate the adoption variable
B)Have shown that rearing children apart from their biological parents has no effect on their intelligence
C)Are worse than family studies in determining the heritability of a trait
D)Completely control for environmental influences

Question

Quizplus · Accepted Answer

Adoption studies are not true experiments since researchers cannot manipulate the adoption variable, which means there can be confounding variables that affect the results.

Adoption Studies