In some cases, identical twins are disconcordant for schizophrenia. While environmental factors may be the cause of this difference, prenatal factors may also play a part in that _______________ twins would have greater concordance

Dr. Nwoambi is a psychologist who is currently evaluating a new client. Dr. Nwoambi would most likely refer to the _____ to assist her in diagnosing her client's psychological disorder

A) Diagnostic and Statistical Manual of Mental Disorders B) Physician's Desk Reference C) Textbook of Psychological Disorders D) Manual of Psychological and Behavioral Disorders

Therapy outcome studies depend on ratings of the changes seen in clients. One reason that therapists'

ratings may be unreliable is because A) they have a limited range of clients on whom to compare an individual client's improvement. B) they usually base their judgments on superficial personality tests. C) they are not in a good position to compare behavior before and after treatment. D) they cannot see the client's behavior in a range of settings.