Which of the following personality disorders is part of Cluster B?

The personality disorder that is classified as part of Cluster B is Antisocial Personality Disorder. Cluster B disorders are characterized primarily by dramatic, emotional, or erratic behaviors, and they include Antisocial, Borderline, Histrionic, and Narcissistic Personality Disorders.

Antisocial Personality Disorder is specifically marked by a disregard for the rights of others, a propensity for deceitfulness, impulsivity, irritability, and aggression. Individuals with this disorder often lack remorse for their actions and struggle with forming genuine emotional connections with others.

In contrast, the other disorders listed belong to different clusters. Schizoid Personality Disorder is part of Cluster A, which is characterized by odd or eccentric behavior. Avoidant Personality Disorder falls under Cluster C, characterized by anxious and fearful behaviors. Finally, Obsessive-Compulsive Personality Disorder, also in Cluster C, features a preoccupation with orderliness, perfectionism, and control. Understanding these clusters and their respective characteristics is crucial for effective diagnosis and treatment in clinical practice.