There are 10 personality traits or disorders arranged in three clusters
Cluster A (Odd or Eccentric Behavior)
1. Paranoid Personality Disorder (PPD): Characterized by a pervasive distrust and suspicion of others, believing others are plotting against them.
2. Schizoid Personality Disorder (SPD): A lack of interest in social relationships, often appearing distant and emotionally detached.
3. Schizotypal Personality Disorder (STPD): Marked by odd beliefs or magical thinking, eccentric behavior, and social anxiety.
Cluster B (Dramatic, Emotional, or Erratic Behavior)
1. Antisocial Personality Disorder (APD): A disregard for the rights of others, often involving deceit, manipulation, or aggression.
2. Borderline Personality Disorder (BPD): Characterized by instability in moods, self-image, and relationships, along with impulsivity and fear of abandonment.
3. Histrionic Personality Disorder (HPD): A pattern of seeking attention, excessive emotionality, and being overly dramatic.
4. Narcissistic Personality Disorder (NPD): A pervasive pattern of grandiosity, need for admiration, and lack of empathy for others.
Cluster C (Anxious or Fearful Behavior)[/b]
1. Avoidant Personality Disorder (AvPD): A pattern of social inhibition, feelings of inadequacy, and hypersensitivity to negative evaluation.
2. Dependent Personality Disorder (DPD): A pattern of submissive and clinging behaviors, often requiring others to take responsibility for major areas of their life.
3. Obsessive-Compulsive Personality Disorder (OCPD): A preoccupation with orderliness, perfectionism, and control at the expense of flexibility and efficiency.