Final answer:
The subject of this question is Medicine, and it involves the assessment of major psychiatric categories using clinical scales.
Step-by-step explanation:
The subject of this question is Medicine. The question is asking about the eight clinical scales that assess major psychiatric categories.
These clinical scales are used to identify and diagnose different psychiatric disorders. They provide a standardized way to measure and evaluate symptoms and behaviors associated with various mental health conditions.
Some examples of major psychiatric categories that these clinical scales assess include mood disorders, schizophrenia, dissociative disorders, and personality disorders.