AP PSYCHOLOGY

Detailed explanation-1: -Today, the two most widely established systems of psychiatric classification are the Diagnostic and Statistical Manuel of Mental Disorders (DSM) and the International Classification for Diseases (ICD).

Detailed explanation-2: -The two main diagnostic classification systems are the Diagnostic and Statistical Manual of Mental Disorders (DSM) and the International Classification of Diseases (ICD). Diagnostic manuals allow clinicians, teachers and researchers to ensure consistency in diagnosis and data recording.

Detailed explanation-3: -The validity of a diagnosis is whether the diagnosis is correct and leads to a successful treatment. The reliability of a diagnosis is whether two or more psychiatrists using the same classification system make the same diagnosis.

Detailed explanation-4: -The diagnostic classification is the official list of mental disorders recognized in DSM. Each diagnosis includes a diagnostic code, which is typically used by individual providers, institutions, and agencies for data collection and billing purposes.