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Related Experiment Video

Updated: Jun 19, 2026

Use of a Psychophysiological Script-driven Imagery Experiment to Study Trauma-related Dissociation in Borderline Personality Disorder

Use of a Psychophysiological Script-driven Imagery Experiment to Study Trauma-related Dissociation in Borderline Personality Disorder

Published on: March 8, 2018

Interrater reliability for Kernberg's structural interview for assessing personality organization.

Theo J M Ingenhoven¹, Hugo J Duivenvoorden, Janneke Brogtrop

¹Center for Outpatient and Clinical Psychotherapy for Personality Disorders, Academic Medical Center, Department of Psychiatry, University of Amsterdam, Amsterdam, The Netherlands. t.ingenhoven@tip.nl

Journal of Personality Disorders

|October 13, 2009

Summary

This study found that the structural interview (SI) reliably assesses personality organization in patients. Trained clinicians can use the SI to achieve satisfactory interrater reliability for personality disorder assessment.

Related Experiment Videos

Last Updated: Jun 19, 2026

Use of a Psychophysiological Script-driven Imagery Experiment to Study Trauma-related Dissociation in Borderline Personality Disorder

Use of a Psychophysiological Script-driven Imagery Experiment to Study Trauma-related Dissociation in Borderline Personality Disorder

Published on: March 8, 2018

Area of Science:

Psychiatry
Psychology
Clinical Assessment

Background:

Interrater reliability is crucial for diagnostic instrument validity.
Previous research shows good reliability for descriptive personality assessments, but less for structural levels.
Limited research exists on the reliability of assessing personality organization on a structural level.

Purpose of the Study:

To investigate the interrater reliability of the structural interview (SI).
To assess the reliability of Kernberg's personality organization model (neurotic, borderline, psychotic).
To evaluate the impact of subdividing categories on reliability.

Main Methods:

Utilized 69 videotaped structural interviews (SI) of psychiatric patients.
Two out of three trained psychologists independently rated each interview.
Interrater agreement was measured using the square weighted kappa (K(sw)).

Main Results:

Satisfactory interrater reliability was found for Kernberg's tripartite classification (K(sw) = 0.42).
Subdividing the borderline category or adding intermediate subcategories did not significantly decrease reliability (K(sw) = 0.55 and K(sw) = 0.59, respectively).
Reliability remained stable even with refined diagnostic categories.

Conclusions:

Trained clinicians can reliably assess structural personality organization using the SI.
The SI is a valid instrument for structural personality assessment.
Refining the diagnostic system with subcategories does not compromise the SI's reliability.