Twin studies show that ADHD
A)has a hereditary component.
B)does not have a hereditary component.
C)is commonly diagnosed in both members of pairs of identical and fraternal twins.
D)is commonly diagnosed in both members of pairs of fraternal,but not identical twins.

Question

Quizplus · Accepted Answer

Twin studies have consistently shown that ADHD has a hereditary component, as identical twins are much more likely to both have ADHD than fraternal twins. This suggests that genetic factors play a significant role in the development of ADHD.

Twin Studies Show That ADHD