The book discusses a psychotherapy for oppositional defiant disorder. The core to this intervention is ______

When Pavlov placed meat powder or other food in the mouths of canine subjects, they began to salivate. The salivation was a(n) __________

a) unconditioned response b) unconditioned stimulus c) conditioned response d) conditioned stimulus

For nearly all of human history, people have worked until they _________

a. retired b. could simply no longer work c. died d. had grandchildren