<prompt> Type C personality disorderAvoidant personality disorderHistronic personality disorderParanoid personality disorderNarcissistic personality disorder  <response>: Cluster C has disorders considered anxious and fearful and characterised by introversion. These include Anxious Avoidant, Dependent and Obsessive Compulsive or Anankastic personality disorders. Ref: A Sho Textbook of Psychiatry, Niraj Ahuja, 7th Edition, pg. no. 113 