After reading this chapter, you should be able to:

• Discuss the role of the clinical domain in the study of personality
   
• Describe the methods for diagnosing, classifying, and describing personality disorders
   
• Describe the personality disorders in the following behavior clusters: odd and eccentric; dramatic, emotional, or erratic; anxious and fearful
   
• Discuss how philosophy, science, and psychology explain personality disorders
   
• Explain the concepts of differential diagnosis and comorbidity
   
• Identify ways to apply knowledge about personality psychology in the clinical domain