Dr. Nwoambi is an American 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 Behavioural Disorders
Answer: a