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Cited by 9Personality Disorders and PsychopathologyAnxiety, Depression, Psychometrics, Treatment, Cognitive ProcessesPersonality Traits and Psychology

Avoidant Personality Disorder Severity Index: Dimensional structure and psychometric properties

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Baljé, Astrid E., Karch, Julian D., Greeven, Anja, van Giezen, Anne E., Muste, Eelco H., Arntz, Arnoud, Spinhoven, Philip·2023·Personality and Individual Differences
DOI 10.1016/j.paid.2023.112268
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Abstract

The Avoidant Personality Disorder Severity Index (AVPDSI) is developed to provide a standardized clinical interview to measure the severity of and changes in manifestations of avoidant personality disorder (AVPD) in terms of behavior and anxiety, as defined in the Diagnostic and Statistical Manual of Mental Disorders-IV/5 (DSM-IV/5). This first assessment of the AVPDSI examined its dimensional structure and psychometric properties. We investigated factor structure, reliability, interrater reliability, validity, clinical cutoff scores, and sensitivity to change in a mixed sample of patients with a primary diagnosis of AVPD, borderline personality disorder (BPD), social anxiety disorder (SAD), panic disorder (PAD) and in non-patients (NP) (n = 305). The underlying structure indicated a behavior and anxiety dimension. The instrument showed good internal reliability, inter-rater agreement, and a clinical cutoff point with good sensitivity and specificity. Convergent and discriminant validity were good and preliminary results in a treated subsample (n = 20) indicated sensitivity to change. In our opinion, a new and valid instrument has been introduced, enabling researchers and clinicians to reliably measure the severity of and changes in manifestations of AVPD.

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Authors
Baljé, A. E., Karch, J. D., Greeven, A., van Giezen, A. E., Muste, E. H., Arntz, A., & Spinhoven, P.
Affiliations
  • Leiden University (NL)
  • University of Amsterdam (NL)
Corresponding author
Baljé, Astrid E.
ORCID
Venue
Personality and Individual Differences
Publisher
Elsevier BV
Published
2023-10
Volume
213
Pages
112268
ISSN
0191-8869 (ISSN-L)
DOI
10.1016/j.paid.2023.112268
OpenAlex
W4381548470
Cited by
9
References
38
Citations by year
2026: 3 · 2025: 1 · 2024: 4 · 2023: 1
FWCI
2.61
Type
journal article
Language
en
Open access
Licence
Locations
  • Personality and Individual Differences (publishedVersion, cc-by-nc-nd)
  • Leiden Repository (Leiden University) (submittedVersion, cc-by-nc-nd)
  • UvA-DARE (University of Amsterdam) (submittedVersion, cc-by-nc-nd)
Funders
Fonds Psychische Gezondheid
Topics
  • Social Sciences › Psychology › Clinical Psychology › Personality Disorders and Psychopathology
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
  • Social Sciences › Psychology › Clinical Psychology › Personality Traits and Psychology
Keywords
avoidant personality disorder, clinical interview, severity measurement, dimensional structure, psychometric properties, inter-rater reliability, sensitivity to change, borderline personality disorder, social anxiety disorder, panic disorder, factor structure

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