The extreme male brain theory of ASD suggests that ____.

The extreme male brain theory of ASD suggests that ____.
 
  a. autistic brains are more systemizing
  b. autistic brains are less systemizing
  c. females are more systemizing
 d. males are more empathizing

Question 2

Which racial/ethnic group has the highest prevalence of ASD?
 
  a. African American
 b. Non-Hispanic white
  c. Asian
 d. Native American

Question 3

Which statement about gender differences in ASD is true?
 
  a. ASD is equally common in boys and girls.
 b. ASD is more common in boys.
 c. ASD is more common in boys, except among those with profound ID, where the numbers of boys and girls are similar.
  d. ASD is more common in boys, except among those with average or above-average IQ, where the numbers of boys and girls are similar.

Question 4

The rise in prevalence of ASD is most likely due to ____.
 
  a. increase in mercury in the diet
 b. greater recognition of milder forms of ASD
  c. more harmful vaccines administered
 d. stricter guidelines for diagnosis