The higher incidence of ADHD in boys versus girls is most likely due to ____.
a. girls age out of ADHD in childhood
b. societal expectations and acceptance
c. more aggression in girls
d. greater attention span in females
Question 2
The best prevalence estimate for ADHD in school-age children in North America is ____.
a. 1 to 2
b. 5 to 9
c. 12 to 14
d. 15 to 20