{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,3]],"date-time":"2026-06-03T02:56:52Z","timestamp":1780455412302,"version":"3.54.1"},"reference-count":33,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2026,1,7]],"date-time":"2026-01-07T00:00:00Z","timestamp":1767744000000},"content-version":"vor","delay-in-days":6,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,1,1]],"date-time":"2026-01-01T00:00:00Z","timestamp":1767225600000},"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":["Psychogeriatrics"],"published-print":{"date-parts":[[2026,1]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To develop and validate the Testamentary Capacity Assessment Screening Tool (TCAST) for older adults, addressing the absence of standardised instruments for testamentary capacity (TC) assessment in Japan.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>The TCAST was developed through an iterative process including literature review, interdisciplinary expert consultation, and user testing with older adults. It comprises three subtests: (1) Hypothetical will\u2010making Scenario, (2) Basic financial concepts, and (3) Legal vocabulary. Internal consistency, test\u2013retest reliability, and construct validity were examined using Cronbach's \u03b1, intraclass correlation coefficients (ICC), and correlations with the Hasegawa Dementia Scale\u2010Revised (HDS\u2010R), the Executive Interview (EXIT25), and the Geriatric Depression Scale (GDS\u201015). Group comparisons and receiver operating characteristic (ROC) analyses were conducted to evaluate discriminatory performance.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      A total of 118 participants\u201468 cognitively healthy older adults and 50 with dementia\u2014completed the TCAST. Internal consistency was good for Parts 1 and 2 (\n                      <jats:italic>\u03b1<\/jats:italic>\n                      \u2009=\u20090.88, 0.70) and lower for Part 3 (\n                      <jats:italic>\u03b1<\/jats:italic>\n                      \u2009=\u20090.58). Test\u2013retest reliability was excellent for Parts 1 and 2 (ICC\u2009=\u20090.87, 0.89) and moderate for Part 3 (ICC\u2009=\u20090.58). Construct validity was supported by moderate to strong correlations with HDS\u2010R and EXIT25, but not with GDS\u201015. All subtests correlated negatively with age and positively with education, and significantly differentiated healthy and dementia groups (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.001). ROC analyses showed strong discriminatory capacity (AUC\u2009=\u20090.86, 0.97, and 0.79 for Parts 1\u20133).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>The TCAST is a reliable and valid screening tool for assessing TC in older Japanese adults. It is not designed to categorically determine incapacity, but to highlight domains relevant to testamentary reasoning and support person\u2010centered evaluations. The tool may aid clinicians and legal professionals in identifying both retained abilities and areas needing support, underscoring its potential utility in interdisciplinary approaches to capacity assessment in aging societies.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/psyg.70133","type":"journal-article","created":{"date-parts":[[2026,1,7]],"date-time":"2026-01-07T17:48:06Z","timestamp":1767808086000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Development and Psychometric Validation of the Testamentary Capacity Assessment Screening Tool: A Study of Older Adults With and Without Dementia"],"prefix":"10.1111","volume":"26","author":[{"ORCID":"https:\/\/orcid.org\/0009-0002-4972-4301","authenticated-orcid":false,"given":"Yuka","family":"Kato","sequence":"first","affiliation":[{"name":"Department of Psychiatry, Graduate School of Medical Science Kyoto Prefectural University of Medicine  Kyoto Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2215-314X","authenticated-orcid":false,"given":"Yoko","family":"Eguchi","sequence":"additional","affiliation":[{"name":"Department of Neuropsychiatry Keio University School of Medicine  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kiyoko","family":"Iiboshi","sequence":"additional","affiliation":[{"name":"Department of Clinical Psychology, Faculty of Human Relations Shigakukan University  Kagoshima Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Motoharu","family":"Shina","sequence":"additional","affiliation":[{"name":"Shiina Law Office  Kyoto Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuichiro","family":"Nagura","sequence":"additional","affiliation":[{"name":"Nagura Yuichiro Judicial Scrivener Office  Aichi Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Masami","family":"Hiyama","sequence":"additional","affiliation":[{"name":"Department of Psychiatry, Graduate School of Medical Science Kyoto Prefectural University of Medicine  Kyoto Japan"},{"name":"General Incorporated Association Decision\u2010Making Support Organization Japan  Kyoto Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7683-7825","authenticated-orcid":false,"given":"Teruyuki","family":"Matsuoka","sequence":"additional","affiliation":[{"name":"Department of Psychiatry, Graduate School of Medical Science Kyoto Prefectural University of Medicine  Kyoto Japan"},{"name":"NHO Maizuru Medical Center  Kyoto Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3874-5273","authenticated-orcid":false,"given":"Masaru","family":"Mimura","sequence":"additional","affiliation":[{"name":"Department of Neuropsychiatry Keio University School of Medicine  Tokyo Japan"},{"name":"Center for Preventive Medicine Keio University  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jin","family":"Narumoto","sequence":"additional","affiliation":[{"name":"Department of Psychiatry, Graduate School of Medical Science Kyoto Prefectural University of Medicine  Kyoto Japan"},{"name":"General Incorporated Association Decision\u2010Making Support Organization Japan  Kyoto Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,1,7]]},"reference":[{"key":"e_1_2_9_2_1","unstructured":"\u201cIn re Estate of Garrett 100 S.W. 3d 72 (Ark. 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