Ashya should work in clinical psychology if she wants to focus on the diagnosis and treatment of psychological disorders and problematic patterns of behavior. Clinical psychology is the branch of psychology dedicated to assessing, diagnosing, and treating mental, emotional, and behavioral disorders, including conditions like depression, anxiety, substance abuse, and more severe mental health issues
. Clinical psychologists often work with individuals who have complex or severe psychological conditions and use evidence-based practices to help manage and improve mental health. This field contrasts with counseling psychology, which tends to focus more on personal development, interpersonal issues, and less severe mental health concerns
. In summary, Ashya's interest aligns best with clinical psychology, which directly addresses the diagnosis and treatment of psychological disorders.