Extended Schema Mode conceptualizations for specific personality disorders: an empirical study.

The aim of this study was to investigate newly formulated schema mode models for cluster-C, paranoid, histrionic and narcissistic personality disorders. In order to assess 18 hypothesized modes, the Schema Mode Inventory (SMI) was modified into the SMI-2. The SMI-2 was administered to a sample of 323 patients (with a main diagnosis on one of the PDs mentioned) and 121 nonpatients. The SMI-2 was successful in distinguishing patients and controls. Newly formulated modes proved to be appropriate for histrionic, avoidant, and dependent PD. The modification of the Overcontroller mode into the Perfectionistic and Suspicious Overcontroller mode was valuable for characterizing paranoid and obsessive-compulsive PD. The results support recent theoretical developments in Schema Therapy, and are useful for application in clinical practice.