Olivier Laverdière

The relationship between self-reported attachment styles, interpersonal dysfunction, and borderline personality disorder.

Clinical theories of borderline personality disorder (BPD) identify attachment insecurity as the basis of its characteristic disturbed interpersonal functioning. The purpose of this study was to compare attachment ratings in rigorously diagnosed BPD, depressed (MDD), and nonborderline comparison groups and their correlations to features of interpersonal disturbance. Subjects self-reported ratings on attachment styles using the relationship questionnaire. BPD subjects reported higher scores on both preoccupied and fearful attachment styles than both MDD and nonborderline comparison groups. A mixed model of preoccupied and fearful attachment was more prevalent in the BPD group and was associated with 3 to 20 times greater risk for diagnosis of BPD. Scores on preoccupied and fearful attachment styles were correlated with features of interpersonal disturbance in BPD. A combination of preoccupied and fearful self-reported attachment styles is more specific to BPD than either style alone or attachment insecurity in general.

The Personality Organization Diagnostic Form: Development of a Revised Version

The purpose of this study is to examine the interrater reliability, validity, and internal consistency of a revised version of the Personality Organization Diagnostic Form (PODF; Diguer et al., 2001), a measure that evaluates the major dimensions of Kernbergs model of Personality Organizations (PO). Results show that the revised PODF can be scored with an interrater reliability ranging from good to excellent for the personality dimensions and the global PO (GPO) score. Factor analysis shows that items tend to regroup according to Kernbergs model. The optimal solution includes 2 factors: a borderline-neurotic continuum and a psychotic factor. Internal consistency and convergence with clinical evaluations also indicate moderate to good validity. Convergent validity with mental health and psychiatric severity is good, and in accordance with Kernbergs model. The revised PODF therefore appears to possess sound psychometric properties, with numerous advantages over its predecessor. Its utility for clinical and research work is also discussed.

Personality organization, five-factor model, and mental health.

Otto Kernberg has developed a model of personality and psychological functioning centered on the concept of personality organization. The purpose of this study is to empirically examine the relationships between this model, the five-factor model, and mental health. The Personality Organization Diagnostic Form (Diguer et al., The Personality Organization Diagnostic Form-II (PODF-II), 2001), the NEO Five-Factor Inventory (Costa and McCrae, Revised NEO Personality Inventory (NEO-PI-R) and NEO Five-Factor Inventory (NEO-FFI) Professional Manual. 1992a), and the Health-Sickness Rating Scale (Luborsky, Arch Gen Psychiatry. 1962;7:407–417) were used to assess these constructs. Results show that personality organization and personality factors are distinct but interrelated constructs and that both contribute in similar proportion to mental health. Results also suggest that the integration of personality organization and factors can provide clinicians and researchers with an enriched understanding of psychological functioning.

Development of an object relation-based typology of adolescent sex offenders

The aim of this study was to develop a typology of adolescent sex offenders based on object relations theory and Otto F. Kernbergs model of personality organizations (PO). A secondary objective was to compare the identified subtypes on offense characteristics as well as some psychological variables of adolescent sex offenders. Clinical files from 40 male adolescent sex offenders in treatment were examined. Cluster analysis based on PO and object relations variables identified six subtypes of offenders, in line with Kernbergs PO model. These subtypes differed from one another on various variables pertaining to characteristics of sex offenses, general delinquency, relational/sexual history, and trauma history.

Development and initial validity of the Object Relations Rating Scale

Abstract The aim of this study was to report on the development and the initial validation of the Object Relations Rating Scale (ORRS), which is a measure of in-session enactments of object relations that draws on a psychodynamic conceptualization of personality organization. Forty participants were included in the study, distributed among neurotic, borderline and psychotic personality organizations (PO). Results showed that the interrater reliability of this new measure is good. Two tests of criterion validity support the validity of the measure: the ORRS discriminates well between the three PO groups and it correlates in expected ways with five PO dimensions. Finally, ORRS scales that pertain to the degree of in-session object relation enactments correlated with a measure of transference intensity (convergent validity), and correlations with therapists experience were low as expected (discriminant validity).