One Difference Between Medical Disciplines and Social Psychology in the Application

One difference between medical disciplines and social psychology in the application of treatments is that

A) social psychology does not require rigorous testing of the treatment.
B) social psychology requires ethical clearance prior to investigating treatments.
C) many of the treatments applied by social psychologists are impractical because they require the use of deception.
D) medical treatments are less widely available compared to social psychological interventions.
E) there is an educational component to medical treatment that is not present with social psychology treatments.