Answer:
Categorical.
Step-by-step explanation:
DSM (Diagnostic and Statistical Manual of Mental Disorders) is one of the diagnostic tool published by the American Psychiatric Association. This includes diagnostic and treatment of a particular mental disorder.
The main criticism of DSM is it adherence to the categorical model. The categorical model sees the person as having or not having a mental disorder. There is no degree of disorder.
Thus, the answer is Categorical Model.