A study is testing the effectiveness of a new allergy
medication. Sixty volunteers who reported they
experience allergies were randomly assigned to one of
two groups: one with the new medication, and another
with a placebo. After two weeks, the subjects' level of
allergic symptoms was surveyed.
Which of the following is a true statement concerning
the use of a placebo?
The placebo is given to one group of subjects to see
if the subjects receiving the placebo experience
fewer allergic symptoms than the subjects taking the
new medication.
The placebo is given to one group of subjects to see
if the subjects receiving the placebo experience
more allergic symptoms than the subjects taking the
new medication.
The placebo is given to one group of subjects to see
if the subjects receiving the placebo think they have
fewer allergic symptoms because they belie hey
are taking the new medication.
O The placebo is given to one group of subjects to see
if the subjects receiving the new medication think
they have fewer allergic symptoms because they believe they are taking the new medication