{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,2]],"date-time":"2026-07-02T21:57:52Z","timestamp":1783029472816,"version":"3.54.6"},"reference-count":35,"publisher":"SAGE Publications","issue":"5","license":[{"start":{"date-parts":[[2022,8,17]],"date-time":"2022-08-17T00:00:00Z","timestamp":1660694400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"DOI":"10.13039\/100006108","name":"National Center for Advancing Translational Sciences","doi-asserted-by":"publisher","award":["KL2 TR001874"],"award-info":[{"award-number":["KL2 TR001874"]}],"id":[{"id":"10.13039\/100006108","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000049","name":"National Institute on Aging","doi-asserted-by":"publisher","award":["U24AG052175"],"award-info":[{"award-number":["U24AG052175"]}],"id":[{"id":"10.13039\/100000049","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Social Psychological and Personality Science"],"published-print":{"date-parts":[[2023,7]]},"abstract":"<jats:p>It is unknown how co-rumination, or perseverating on problems or feelings with another person, unfolds in the daily lives of romantic couples. Using a variance decomposition procedure on data from a 14-day dyadic diary, we assessed how much variance in co-rumination was attributable to temporally stable and varying factors as well as whether co-rumination is better measured as a couple-level or individual-level process. Within-person, within-couple fluctuations in co-rumination contributed most (~33%) to the total variance, and summary scores based on these fluctuations were reliable. Stable between-couple differences accounted for ~14% of the total variance and could also be reliably assessed. However, within-couple agreement in co-rumination was low such that the reliability at the level of within-couple change was inadequate. Research is needed to understand these divergent perceptions of co-rumination and potential downstream consequences. We conclude by considering how these results inform theory and can be applied to similar dyadic constructs.<\/jats:p>","DOI":"10.1177\/19485506221116989","type":"journal-article","created":{"date-parts":[[2022,8,17]],"date-time":"2022-08-17T08:01:07Z","timestamp":1660723267000},"page":"636-646","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":11,"title":["Decomposing Variance in Co-Rumination Using Dyadic Daily Diary Data"],"prefix":"10.1177","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8672-8681","authenticated-orcid":false,"given":"Ana M.","family":"DiGiovanni","sequence":"first","affiliation":[{"name":"Columbia University, New York, NY, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Talea","family":"Cornelius","sequence":"additional","affiliation":[{"name":"Center for Behavioral Cardiovascular Health, Columbia University Irving Medical Center, New York, NY, 10032, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Niall","family":"Bolger","sequence":"additional","affiliation":[{"name":"Columbia University, New York, NY, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2022,8,17]]},"reference":[{"key":"bibr1-19485506221116989","doi-asserted-by":"publisher","DOI":"10.1080\/15374416.2011.533416"},{"key":"bibr2-19485506221116989","doi-asserted-by":"publisher","DOI":"10.1521\/jscp.2019.38.7.704"},{"key":"bibr3-19485506221116989","doi-asserted-by":"publisher","DOI":"10.18637\/jss.v067.i01"},{"key":"bibr4-19485506221116989","first-page":"285","volume-title":"Modeling contextual effects in longitudinal studies","author":"Bolger N.","year":"2007"},{"key":"bibr5-19485506221116989","doi-asserted-by":"publisher","DOI":"10.1177\/0893318913509283"},{"key":"bibr6-19485506221116989","doi-asserted-by":"publisher","DOI":"10.1111\/sode.12293"},{"key":"bibr7-19485506221116989","doi-asserted-by":"publisher","DOI":"10.1177\/0146167206287721"},{"key":"bibr8-19485506221116989","volume-title":"The dependability of behavioral measurements: Theory of generalizability for scores and profiles","author":"Cronbach L. 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