When the number of responses is important to a schedule of reinforcement, that schedule is called a ________ schedule

Josh checks and re-checks over and over again whether or not he has locked his apartment door and car door. It takes up hours of his time and sometimes he misses his college classes. Which does Josh have?

a) a compulsion b) an obsession c) a delusion d) a phobia

Alice takes lithium to control symptoms of her mental disorder. Alice is most likely suffering from

a. schizophrenia. b. bipolar disorder. c. social phobia. d. generalized anxiety disorder. e. major depressive disorder.