Description

The Iowa Personality Disorder Screen (IPDS) is a psychometric tool designed for the quick and effective detection of potential personality disorders in both clinical and non-clinical populations. It is a brief and reliable method that helps mental health professionals determine whether further evaluation for personality disorders is needed.

Purpose

The primary goal of the IPDS is to provide a quick and effective way of identifying individuals who may suffer from personality disorders, so they can proceed to more detailed assessment and diagnosis. The IPDS is particularly useful in cases where time is limited and an initial estimate of the likelihood of a personality disorder is required.

Analysis

The IPDS consists of a series of statements concerning various aspects of personality and behavior. Participants are asked to respond to these statements based on how often or to what extent they apply to them.
The main steps of analysis include:
Collection of Responses: Participants answer each statement using a predefined scale (e.g., from “not at all” to “very much”).
Total Score: The responses are coded and summarized to produce a total score. This score represents the likelihood of the presence of a personality disorder.
Interpretation: The total score is compared with predetermined thresholds to determine whether the individual is likely to suffer from a personality disorder and whether further evaluation is required.

Scoring

Scoring of the IPDS is based on the ratings of the responses to the statements. The total scores are compared with predetermined thresholds established through research studies and clinical trials. Depending on the score, individuals are categorized as likely or unlikely to have a personality disorder.

References

Karno, M., & Edinger, J. D. (2000). Development and preliminary validation of a brief personality disorder screen. Journal of Personality Disorders, 14(4), 374–383.
Loranger, A. W., & Sartorius, N. (1997). Assessment and Diagnosis of Personality Disorders: The ICD-10 International Personality Disorder Examination (IPDE). Cambridge University Press.
Widiger, T. A., & Weissman, M. M. (1991). Epidemiology of borderline personality disorder. Hospital & Community Psychiatry, 42(10), 1015–1021.