What do each of the DSM-5's three clusters of personality disorders represent, and what are the defining features of each cluster? Explain why a cluster approach aids in diagnosis.
What will be an ideal response?
A good answer would include the following key points:
- Although there are 10 distinct personality disorders recognized in the DSM-5, they cluster into three groups.
- Cluster A represents disorders characterized by odd or eccentric behaviors.
- Cluster B contains personality disorders that involve dramatic or impulsive behaviors.
- Cluster C contains personality disorders marked by anxious and fearful behaviors.
- The cluster approach aids diagnosis because it highlights common features underlying specific disorders.
- Rather than thinking about antisocial, borderline, and histrionic personality disorders as separate entities, it can be beneficial to think of them as having features in common coupled with different manifestations of those features.
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