{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T12:56:29Z","timestamp":1791291389314,"version":"4.3.0"},"reference-count":48,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2026,7,16]],"date-time":"2026-07-16T00:00:00Z","timestamp":1784160000000},"content-version":"vor","delay-in-days":15,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T00:00:00Z","timestamp":1782864000000},"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":["Brain and Behavior"],"published-print":{"date-parts":[[2026,7]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>Applying the Leventhal's model would make it possible to highlight the cognitive and emotional representations of adults with cancer and then to propose specific interventions to improve their adherence. This paper was conducted aiming at the validation of the revised illness perception questionnaire (IPQ\u2010R) based on an exploratory factor analysis (EFA) in cancer patients.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Design<\/jats:title>\n                    <jats:p>The IPQ\u2010R was administered to 300 outpatients referred during a 9 months period. In the present study, we performed an EFA to examine the construct validity of the instrument. In addition, the concurrent validity of the IPQ\u2010R with the positive and negative affect schedule, depression, anxiety and stress scale\u2010 21 items and 36\u2010item Short\u2010Form Health Survey questionnaires was evaluated. Reliability was calculated using Cronbach's alpha, McDonald's omega, and test\u2010retest methods.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>EFA of the beliefs and causes subscales revealed seven dimensions and three factors, respectively. With the difference that in the causes subscale, instead of the four factors of the original study, three factors were extracted. The validity and reliability of the identity subscales and beliefs overall were rated as good to excellent, but the concurrent validity of the Causes subscale was in the factor of psychological attributions and risk factor high and low, respectively, and for the substance use factor, it also did not obtain any correlation. For reliability, the risk factors received a low score.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Adaptation of the IPQ\u2010R in Iranian culture and an adult population suffering from cancer disease made it possible to use it for this particular population.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/brb3.71603","type":"journal-article","created":{"date-parts":[[2026,7,17]],"date-time":"2026-07-17T04:49:58Z","timestamp":1784263798000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["The Validation of the Revised Illness Perception Questionnaire in Cancer Patients: An Exploratory Factor Analysis for Further Psychometric Evidence"],"prefix":"10.1002","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6136-0697","authenticated-orcid":false,"given":"Maryam Amini","family":"Fasakhoudi","sequence":"first","affiliation":[{"name":"Department of Clinical Psychology, School of Medicine Shahid Beheshti University of Medical Science  Tehran Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hossein","family":"Karsazi","sequence":"additional","affiliation":[{"name":"Department of Clinical Psychology, School of Medicine Tabriz University of Medical Science  Tabriz Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0006-7347-4903","authenticated-orcid":false,"given":"Asma","family":"Shahi","sequence":"additional","affiliation":[{"name":"Master of Health Psychology, School of Behavioral Sciences and Mental Health (Tehran Institute of Psychiatry) Iran University of Medical Science  Tehran Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0007-5807-8141","authenticated-orcid":false,"given":"Narin","family":"Beyraghdar","sequence":"additional","affiliation":[{"name":"Department of Psychology Islamic Azad University  South Tehran Branch Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5815-4964","authenticated-orcid":false,"given":"Mohammad","family":"Noori","sequence":"additional","affiliation":[{"name":"Department of Clinical Psychology, School of Medicine Shahid Beheshti University of Medical Sciences  Tehran Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,7,16]]},"reference":[{"key":"e_1_2_14_2_1","doi-asserted-by":"publisher","DOI":"10.1521\/jscp.1987.5.3.339"},{"key":"e_1_2_14_3_1","doi-asserted-by":"publisher","DOI":"10.4135\/9781446221129.n9"},{"key":"e_1_2_14_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jpsychores.2013.08.005"},{"key":"e_1_2_14_5_1","volume-title":"Multivariate Analysemethoden","author":"Backhaus K.","year":"2008"},{"issue":"4","key":"e_1_2_14_6_1","first-page":"351","article-title":"A Confirmatory Factor Analysis of the Positive Affect and Negative Affect Scales (PANAS)","volume":"9","author":"Bakhshipour R.","year":"2006","journal-title":"Journal of Psychology"},{"issue":"3","key":"e_1_2_14_7_1","first-page":"791","article-title":"Utiliser Le Coefficient Omega De McDonald \u00c0 la Place De L'alpha De Cronbach","volume":"52","author":"B\u00e9land S.","year":"2017","journal-title":"McGill Journal of Education"},{"key":"e_1_2_14_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ejon.2020.101799"},{"key":"e_1_2_14_9_1","volume-title":"A First Course in Factor Analysis","author":"Comrey A. 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