Final answer:
The American Psychiatric Association (APA) developed the Diagnostic and Statistical Manual of Mental Disorders, with the fifth edition (DSM-5) being the latest version published in 2013.
Step-by-step explanation:
The organization that developed the Diagnostic and Statistical Manual of Mental Disorders (DSM) is the American Psychiatric Association (APA). The most recent edition, the DSM-5, published in 2013, continues to serve as a critical resource for clinicians and researchers in the field of mental health for diagnosing and classifying mental disorders.
The publication of the DSM reflects the ongoing evolution of our understanding of mental health, addressing the complexity of diagnosing mental disorders and capturing the latest research and clinical practice.