Your friend has just come from a therapist who has recommended eye movement desensitization and reprocessing for posttraumatic stress disorder. because you are taking a course in abnormal psychology, your friend asks what you think. based on the literature, what would you say? a. because the eyes are the "window on the mind," this technique explores hidden meanings related to traumatic events and has been extremely successful. b. this technique does not seem to have a theoretical basis, and the limited effectiveness it does show may be due to the fact that it involves exposure. c. classical conditioning provides the theoretical rationale for this technique that has had mixed results. d. this technique is based on operant conditioning principles and seems quite effective.