What is one reason that animals are used in experiments to help answer questions about humans?
a) Animals do not feel pain.
b) Animals are easier to study because of shorter life spans.
c) There is no risk that animals will become addicted to drugs.
d) The brain chemistry of animals is almost identical to humans.
Question 2
Social anxiety disorder is most similar to which personality disorder?
a) schizoid
b) dependent
c) antisocial
d) avoidant
