Female transsexuals taking testosterone show:
a. Increases in certain measures of verbal ability
b. Increases in certain measures of spatial ability
c. Decreases in certain measures of spatial ability
d. No changes in any measure of verbal or spatial ability
Question 2
Phototherapy is an effective treatment for :
a. Sleep problems associated with shift work
b. Winter depression
c. Jet lag disruption of the circadian rhythm
d. All of the above