What Advantage Does the Dimensional Approach Toward Mental Health Have

What advantage does the dimensional approach toward mental health have over current categorical systems?

A) It allows for the examination of individual differences of both negative and positive behaviors.
B) It provides a new and refreshing method of categorizing behaviors.
C) It allows psychologists to juxtapose 'good' and 'evil' on the same continuum.
D) It provides a more efficient means of classification that will make it easier for mental health professionals to get reimbursed.