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Participants were community-recruited adults with an ED ( N = 252; 81.9% female). We used a modified version of Goldberg\u2019s method, which involved sequentially extracting latent factors using exploratory structural equation modeling, resulting in a 10-factor hierarchical-dimensional model. Dimensions predicted 92.4% and 58.7% of the variance in recovery outcomes at 6 months and 1 year, respectively. Compared with other illness indicators (e.g., Diagnostic and Statistical Manual of Mental Disorders [ DSM] diagnoses, dimensional ED impairment scores, weight\/shape overvaluation, and DSM ED-severity specifiers), hierarchical dimensions predicted 0.88 to 334 times more variance in ED behaviors at baseline and 1.95 to 80.8 times more variance in psychiatric impairment at 1-year follow-up. Results suggest that reducing within-disorder heterogeneity for EDs within the broader context of internalizing symptoms provides a powerful framework from which to predict outcomes and understand symptoms experienced by people with EDs.<\/jats:p>","DOI":"10.1177\/21677026231186803","type":"journal-article","created":{"date-parts":[[2023,9,11]],"date-time":"2023-09-11T01:55:20Z","timestamp":1694397320000},"page":"625-643","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":14,"title":["Integrating \u201cLumpers\u201d Versus \u201cSplitters\u201d Perspectives: Toward a Hierarchical Dimensional Taxonomy of Eating Disorders From Clinician Ratings"],"prefix":"10.1177","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5900-4204","authenticated-orcid":false,"given":"Kelsie T.","family":"Forbush","sequence":"first","affiliation":[{"name":"Department of Psychology, University of Kansas"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yiyang","family":"Chen","sequence":"additional","affiliation":[{"name":"Department of Psychology, University of Kansas"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Po-Yi","family":"Chen","sequence":"additional","affiliation":[{"name":"Department of Educational Psychology and Counseling, National Taiwan Normal University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0681-107X","authenticated-orcid":false,"given":"Brittany K.","family":"Bohrer","sequence":"additional","affiliation":[{"name":"Department of Psychiatry, University of California San Diego"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kelsey E.","family":"Hagan","sequence":"additional","affiliation":[{"name":"Department of Psychiatry, Virginia Commonwealth University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Danielle A. 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