{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,23]],"date-time":"2026-10-23T20:35:37Z","timestamp":1792787737057,"version":"4.5.0"},"reference-count":55,"publisher":"SAGE Publications","issue":"4","license":[{"start":{"date-parts":[[2026,7,22]],"date-time":"2026-07-22T00:00:00Z","timestamp":1784678400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"name":"Isfahan University of medical science","award":["(IR.MUI.MED.REC.1402.104)"],"award-info":[{"award-number":["(IR.MUI.MED.REC.1402.104)"]}],"id":[{"id":"https:\/\/ror.org\/04waqzz56","id-type":"ROR","asserted-by":"crossref"}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Clin Child Psychol Psychiatry"],"published-print":{"date-parts":[[2026,10]]},"abstract":"<jats:sec>\n                    <jats:title>Background\/objectives<\/jats:title>\n                    <jats:p>Loneliness, characterized by the absence of meaningful social and personal connections, is recognized as a significant adverse health condition. This study aimed to evaluate the psychometric properties of the Persian version of the 8-item UCLA Loneliness Scale (P-ULS-8) among Iranian children and adolescents.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>This cross-sectional study was conducted in 2024 among 100 school-aged students in Isfahan, Iran. Standard forward-backward translation procedures were used, and content validity indices were calculated. Reliability was assessed using Cronbach\u2019s \u03b1 and intraclass correlation coefficients (ICC). Convergent validity was evaluated via Spearman\u2019s correlation between the 20-item UCLA Loneliness Scale (ULS-20) and P-ULS-8. Confirmatory factor analysis was performed to approve construct validity.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Cronbach \u03b1 and ICC for the overall scale were 79.0% and 0.86, respectively. Scale content validity indices for relevancy, clarity, and comprehensiveness were 95%, 90%, and 80%, respectively. A significant correlation was found between P-ULS-8 and ULS-20 (r Pearson = 0.74,\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      &lt; .001), suggesting satisfactory convergent validity. Confirmatory factor analysis approved a two-factor structure for the Persian version of ULS-8.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>P-ULS-8 demonstrated acceptable reliability and validity indices. Considering its brevity, the Persian version of ULS-8 can be easily used in large-scale studies.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/13591045261471023","type":"journal-article","created":{"date-parts":[[2026,7,23]],"date-time":"2026-07-23T04:36:33Z","timestamp":1784781393000},"page":"1802-1815","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Persian Version of the University of California Los Angeles Loneliness Scale; a Validation Study in Iranian Children and Adolescence"],"prefix":"10.1177","volume":"31","author":[{"given":"Mohadeseh","family":"Arefian","sequence":"first","affiliation":[{"name":"Isfahan University of Medical Sciences"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8607-4507","authenticated-orcid":false,"given":"Ibrahim","family":"Abdollahpour","sequence":"additional","affiliation":[{"name":"Isfahan University of Medical Sciences"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maryam","family":"Yazdi","sequence":"additional","affiliation":[{"name":"University of Leicester"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Roya","family":"Kelishadi","sequence":"additional","affiliation":[{"name":"Isfahan University of Medical Sciences"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2026,7,22]]},"reference":[{"issue":"4","key":"e_1_3_8_2_1","first-page":"66","article-title":"Performing Content Validation Process in Development of Questionnaires","volume":"6","author":"Abdollahpour I","year":"2011","unstructured":"Abdollahpour I, Nedjat S, Noroozian M, Majdzadeh R (2011). 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