People who have trouble breathing while they sleep are suffering from _______ _______

A primary reinforcer is a stimulus that is reinforcing due to ________; a secondary reinforcer is a stimulus that is reinforcing due to ________

a) learning; innate properties b) innate properties; learning c) operant conditioning; classical conditioning d) classical conditioning; operant conditioning

Which of the following is TRUE of clinical psychologists who engage in private practice?

a. They must go through a licensing procedure in most states. b. They have an M.D. degree only. c. They can prescribe drugs for their clients. d. They are always trained in psychoanalysis.