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Cross-cultural validation of the revised Green et al., paranoid thoughts scale.
Schlier, Björn; Lincoln, Tania M; Kingston, Jessica L; So, Suzanne H; Gaudiano, Brandon A; Morris, Eric M J; Ellett, Lyn.
Afiliación
  • Schlier B; Universität Hamburg, Hamburg, Germany.
  • Lincoln TM; University of Wuppertal, Wuppertal, Germany.
  • Kingston JL; Universität Hamburg, Hamburg, Germany.
  • So SH; Royal Holloway, University of London, London, UK.
  • Gaudiano BA; The Chinese University of Hong Kong, Hong Kong SAR.
  • Morris EMJ; Brown University, Providence, RI, USA.
  • Ellett L; La Trobe University, Melbourne, Australia.
Psychol Med ; : 1-7, 2024 Feb 05.
Article en En | MEDLINE | ID: mdl-38314511
ABSTRACT

BACKGROUND:

With efforts increasing worldwide to understand and treat paranoia, there is a pressing need for cross-culturally valid assessments of paranoid beliefs. The recently developed Revised Green et al., Paranoid Thoughts Scale (R-GPTS) constitutes an easy to administer self-report assessment of mild ideas of reference and more severe persecutory thoughts. Moreover, it comes with clinical cut-offs for increased usability in research and clinical practice. With multiple translations of the R-GPTS already available and in use, a formal test of its measurement invariance is now needed.

METHODS:

Using data from a multinational cross-sectional online survey in the UK, USA, Australia, Germany, and Hong Kong (N = 2510), we performed confirmatory factory analyses on the R-GPTS and tested for measurement invariance across sites.

RESULTS:

We found sufficient fit for the two-factor structure (ideas of reference, persecutory thoughts) of the R-GPTS across cultures. Measurement invariance was found for the persecutory thoughts subscale, indicating that it does measure the same construct across the tested samples in the same way. For ideas of reference, we found no scalar invariance, which was traced back to (mostly higher) item intercepts in the Hong Kong sample.

CONCLUSION:

We found sufficient invariance for the persecutory thoughts scale, which is of substantial practical importance, as it is used for the screening of clinical paranoia. A direct comparison of the ideas of reference sum-scores between cultures, however, may lead to an over-estimation of these milder forms of paranoia in some (non-western) cultures.
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Texto completo: 1 Bases de datos: MEDLINE Idioma: En Revista: Psychol Med Año: 2024 Tipo del documento: Article País de afiliación: Alemania

Texto completo: 1 Bases de datos: MEDLINE Idioma: En Revista: Psychol Med Año: 2024 Tipo del documento: Article País de afiliación: Alemania