{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T05:00:30Z","timestamp":1790830830046,"version":"4.1.0"},"reference-count":35,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T00:00:00Z","timestamp":1790726400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T00:00:00Z","timestamp":1790726400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Int J Methods Psych Res"],"published-print":{"date-parts":[[2026,12]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Paranoid ideation ranges from mild social\u2010evaluative concerns to persecutory beliefs. The eight\u2010item Green Paranoid Thoughts Scale (GPTS\u20108) provides a brief assessment of this continuum through reference and persecution items.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Aims<\/jats:title>\n                    <jats:p>To examine the psychometric properties of the Italian version of the GPTS\u20108, including its factorial structure, reliability, and convergent validity, in a non\u2010clinical university sample.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      243 university students completed the Italian GPTS\u20108 and the Prodromal Questionnaire\u2013Brief (PQ\u2010B). Confirmatory factor analyses compared unidimensional, two\u2010factor, bifactor, and second\u2010order models using maximum likelihood estimation with robust standard errors. Reliability was evaluated using Cronbach's\n                      <jats:italic>\u03b1<\/jats:italic>\n                      and McDonald's \u03c9, and item\u2010level contributions to the general factor were examined using bifactor indices (ECV, \u03c9H, IECV).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The bifactor model showed the best fit, supporting a dominant general paranoia factor alongside specific reference and persecution dimensions. Internal consistency was good for the GPTS\u20108 total score (\n                      <jats:italic>\u03b1<\/jats:italic>\n                      \u00a0=\u00a00.78) and acceptable for the subscales (respectively, 0.68 and 0.66). Item\u2010level diagnostics indicated that several items primarily reflected the general factor, consistent with a hierarchical organization of paranoid ideation. Item response patterns suggested greater sensitivity at moderate to higher levels of the latent trait. Participants scoring above established PQ\u2010B thresholds showed significantly higher GPTS\u20108 scores across dimensions, supporting convergent validity.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>The Italian GPTS\u20108 showed satisfactory psychometric properties, providing incremental evidence for its structural validity in an Italian\u2010speaking context. However, given the use of a convenience student sample, findings should be considered preliminary and not directly generalizable to broader or clinical populations.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/mpr.70097","type":"journal-article","created":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T04:30:14Z","timestamp":1790829014000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Psychometric Validation of the Italian 8\u2010Item Green Paranoid Thoughts Scale (GPTS\u20108)"],"prefix":"10.1002","volume":"35","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9003-9838","authenticated-orcid":false,"given":"Antonio","family":"Preti","sequence":"first","affiliation":[{"name":"Dipartimento di Neuroscienze \u201cRita Levi Montalcini\u201d Universita Degli Studi di Torino  Turin Piedmont Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Carmelo","family":"Masala","sequence":"additional","affiliation":[{"name":"Dipartimento di Pedagogia Psicologia Filosofia Universita Degli Studi di Cagliari  Cagliari Sardinia Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Donatella Rita","family":"Petretto","sequence":"additional","affiliation":[{"name":"Dipartimento di Pedagogia Psicologia Filosofia Universita Degli Studi di Cagliari  Cagliari Sardinia Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,9,30]]},"reference":[{"key":"e_1_2_12_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.paid.2020.110554"},{"key":"e_1_2_12_3_1","volume-title":"Confirmatory Factor Analysis for Applied Research","author":"Brown T. 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