Twenty men and 20 women with high blood pressure were subjects in an experiment to
determine the effectiveness of a new drug in lowering blood pressure. ten of the 20 men and
10 of the 20 women were chosen at random to receive the new drug. the remaining men and
women received the placebo. the change in blood pressure was measured for each subject.
the design of this experiment is:
a) completely randomized with one factor, drug
b) completely randomized with one factor, gender
c) randomized block, block by drug
d) randomized block, block by gender
e) randomized block, blocked by drug & gender