Should animals be used in psychological and medical research? If you were going to be consistent with your text author's points, you would answer "yes" because

a. animals are less expensive to care for and to monitor.
b. animal research has led to important breakthroughs in several areas of science.
c. historically, the psychological and medical sciences have relied on animals as research participants.
d. although animal research does not benefit animals directly, the animals benefit indirectly by being cared for.

Answer: b. animal research has led to important breakthroughs in several areas of science.