In order to meet the criteria for schizotypal personality disorder, a person must have five of the listed symptoms. Moreover, the symptoms cannot be due to disorders such as schizophrenia. What aspects of the DSM system are illustrated by these diagnostic criteria?

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The diagnostic criteria for schizotypal personality disorder illustrate inclusion and exclusion criteria. The five symptoms required for diagnosis are inclusion criteria, while the requirement that the symptoms cannot be due to other disorders like schizophrenia is an exclusion criterion. These criteria are important for ensuring that the diagnosis is reliable and valid.

In Order to Meet the Criteria for Schizotypal Personality Disorder