_____ occurs when an individual is asked to imagine or even be in the presence of the feared object; he/she remains there until the fear has subsided

A researcher has observed that children who eat more sugar tend to show a higher level of activity than children who eat less sugar. However, the researcher suspects that the apparent relationship may be explained by the fact that some children have a higher rate of metabolism, which causes them to eat more and to be more active compared to children with a lower rate of metabolism who eat less

and are less active. This is an example of the ____. a. directionality problem b. third-variable problem c. extraneous variable problem d. manipulation check problem

Prozac works by slowing:

a. the reuptake of dopamine b. the reuptake of norepinephrine c. the production of norepinephrine d. the reuptake of serotonin