Modelling Identity Disturbance: A Network Analysis of the Personality Structure Questionnaire (PSQ)

Georgia Mangion, Melanie Simmonds-buckley, Stephen Kellett, Peter Taylor, Amy Degnan, Charlotte Humphrey, Kate Freshwater, Marisa Poggioli, Cristina Fiorani

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Abstract

Due to the relevance of identity disturbance to personality disorder this study sought to complete a network analysis of a well validated measure of identity disturbance; the personality structure questionnaire (PSQ). A multi-site and cross-national methodology created an overall sample of N = 1549. The global network structure of the PSQ was analysed and jointly estimated networks were compared across four subsamples (UK versus Italy, adults versus adolescents, clinical versus community and complex versus common presenting problems). Stability analyses assessed the robustness of identified networks. Results indicated that PSQ3 (unstable sense of self) and PSQ5 (mood variability) were the most central items in the global network structure. Network structures significantly differed between the UK and Italy. Centrality of items was largely consistent across subsamples. This study provides evidence of the potential network structure of identity disturbance and so guides clinicians in targeting interventions facilitating personality integration.
Original languageEnglish
Article number13793
JournalInternational Journal of Environmental Research and Public Health
Volume19
Issue number21
Early online date24 Oct 2022
DOIs
Publication statusPublished - 1 Nov 2022

Keywords

  • identity disturbance
  • network analysis
  • personality structure questionnaire

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