DSM-III Was a Better Attempt at Classification Than Earlier Systems

DSM-III was a better attempt at classification than earlier systems because it

A) took on a dimensional as opposed to a categorical approach.
B) it focused more strongly on the theoretical causes of various mental disorders.
C) was less rigid than previous approaches.
D) required clinicians to evaluate various aspects of the patients' lives.
E) it promoted a behavioural rather than a psychodynamic theoretical orientation.