Marital therapy is viewed as a subtype of

Which male has erectile dysfunction based on a primarily psychological cause?

a. Bill, whose inability is caused by a physiological problem with which he was born b. Charlie, who does not have spontaneous erections c. Emmett, who has never had an erection sufficient for intercourse d. Del, who has nocturnal penile tumescence

People with specific phobia disorders

a. are often unsure of what they fear. b. may have a mild fear of heights, for example, without experiencing overwhelming anxiety. c. usually recognize that their fears are unreasonable. d. are a very small minority with fewer than two percent of adults having a phobia in their lifetime.