The Diagnostic and Statistical Manual of Mental Disorders, (DSM) is label individuals who are having abnormal behaviour as per their traits but not therefore, it has criticized that the DSM is not going to depict about any kind of treatment protocols to specific classifying mental disorders.
Dimensional system of categorization is different to DSM. This dimensional system is useful to give a better description of psychological disorder that does not fit into a single category. The kinds of dimensional system are more beneficial to clinicians to differentiate multiple symptoms based on these diagnostic aspects of psychological disorders, heterogeneity. There is nothing mentioned about the insurance aspects of mental disorders, as majority of them are incurable.
Therefore, DSM is going to label affected persons, which have stigmatization of mental disorders.
Thus, the options (b), (c) and (d) are incorrect.
Dimensional system of categorization is different to DSM. This dimensional system is useful to give a better description of psychological disorder that does not fit into a single category.
Therefore, the correct option is – a. Better description of patients whose problems do not fit into a single category.