Step 1: DSM: An Overview:
The DSM is a key reference in mental health, especially in psychiatry and clinical psychology.
Step 2: What is the DSM?:
DSM stands for the Diagnostic and Statistical Manual of Mental Disorders. Published by the American Psychiatric Association (APA), it offers standard criteria for classifying mental disorders, creating a common language. It is used by clinicians, researchers, regulatory agencies, insurance companies, pharmaceutical companies, the legal system, and policymakers. The current edition is the DSM-5.
Step 3: Evaluating the Choices:
Option (B) accurately expands the acronym. Option (D) incorrectly uses "Design." Options (A) and (C) are incorrect.
Step 4: Conclusion:
DSM means Diagnostic and Statistical Manual of mental disorders.