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

Borderline disorder is categorized within Cluster B personality disorders, which are characterized by dramatic, emotional, or erratic behavior. Individuals with borderline personality disorder may experience intense interpersonal relationships, unstable self-image, and significant emotional dysregulation. This disorder often includes symptoms such as fear of abandonment, difficulty with emotional regulation, and impulsive behavior, which align with the overarching themes of Cluster B.

In contrast, the other disorders listed fall under different clusters. Schizoid disorder is part of Cluster A, which includes disorders characterized by odd or eccentric behaviors. Dependent disorder is classified under Cluster C, characterized by anxious and fearful behavior. Avoidant disorder is also part of Cluster C, defined by social inhibition and feelings of inadequacy. These distinctions in behaviors and symptoms are essential as they inform treatment approaches and understanding of the underlying qualities associated with each cluster.