The DSM-IV-TR groups together seemingly different disorders—such as borderline personality disorder,

The DSM-IV-TR groups together seemingly different disorders—such as borderline personality disorder, anti-social personality disorder, and mental retardation. What features of these disorders justify this grouping? Check all that apply. a. They last throughout the lifespan. b. They likely will change with appropriate intervention. c. There is no expectation of significant change. d. These are all clinical disorders.