“…However, conceptual difficulties and controversies have persisted (Clark et al 1997, Livesley 2003, Widiger & Samuel 2005, there is widespread dissatisfaction in the field, and articles critiquing the domain are common ( Jablensky 2002, Livesley 2003, Millon 2002. declared, "Official diagnoses are substantially arbitrary, often unreliable, overlapping, and incomplete and have only a limited utility for treatment planning" (p. 435), and Tyrer et al (2006) stated bluntly, "The assessment of personality disorder is currently inaccurate, largely unreliable, frequently wrong, and in need of improvement.…”