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Cluster C personality disorders are a group of mental health conditions that cause intense fearfulness, insecurity, or perfectionism. The symptoms are long-term and impact many aspects of life.

No cluster D of personality disorders is currently featured in the Diagnostic and Statistical Manual of Mental Disorders, 5th edition, text revision (DSM-5-TR). Only clusters A, B, and C are ...

The field of personality psychology is concerned with the assessment of the construct of personality. Constructs are simply psychological (as opposed to physically observable matter, e.g., a chair) ...