Psychologist Robert Sternberg suggests that love requires a more complex explanation and is made up of

All of the following disorders belong together, EXCEPT for which one?

a. panic disorder b. dissociative identity disorder c. phobic disorder d. obsessive-compulsive disorder

Before going to sleep, a man checks his alarm clock to make sure it is set. A short while later, he checks it again and turns off his light. Then he turns the light back on and checks his alarm again

This goes on repeatedly each night until he is so tired he falls asleep. The man appears to have a specific type of a. personality disorder. b. dissociative disorder. c. schizophrenia. d. anxiety disorder.