Which of the following statements is true concerning classification systems for mental disorders? a. it is far more important that they be reliable than it is for them to be valid. b.classification systems make it more difficult to gather statistics on the incidence and prevalenceof disorders. c.classification systems meet the needs of medical insurance companies who need diagnoses in order to authorize payment of claims. d.although they assist scientists who are researching disorders, they always inhibit our ability to communicate about abnormal behavior in a consistent way

C. Classification systems meet the needs of medical insurance companies who need diagnoses in order to authorize payment of claims.

Explanation:

In order to guide against intentional overdiagnose  of  a person with minor or non existing true diagnosis to  gain approval for  treatment services by some healthcare professional, classification system is used by the Medical insurance to determine the value of treatment to authorize, and to relate the severity of the diagnose to the payment.

Thus ;serious disorders with challenging prognosis receive more treatment approval, than less serious  disorder  

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