In the 70s, diagnosis of schizophrenia was used freely, classification had broader definitions.
In the 50s, 80% of mental patients in U.S were diagnosed with schizophrenia. 20% in U.K.
There should be consistency.
To combat this, classification was bought in line. Other tools were also introduced.
Diagnostic criteria improves reliability, so different clinicians reach the same diagnosis.
Different criteria used to diagnose schizophrenia makes it difficult to research.
Clinicians cannot agree on precise diagnosis, all definitions are liable to be modified.
Szasz suggests that the process of diagnosis is a form of politically sanctioned social control.
Other critics say that it is stigmatising to…