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Drawing from the theoretical framework of the Goal Progress Theory of rumination, we propose that heightened feelings of \u201cinefficiency\u201d (i.e., low self\u2010efficacy) in AN might play an important role in these dysfunctional cognitive\u2010affective processes.<\/jats:p><\/jats:sec><jats:sec><jats:title>Method<\/jats:title><jats:p>Thirty\u2010two weight\u2010recovered participants with a history of AN and 32 healthy control participants filled out questionnaires regarding rumination and affect six times a day over a period of 2\u2009weeks via ecological momentary assessment in real\u2010life.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Analyses via hierarchical as well as conceptual process modeling suggest that while inefficiency is generally associated with more rumination and negative affect, additional amplifying mechanisms between these variables exist specifically in recovered participants with a history of AN.<\/jats:p><\/jats:sec><jats:sec><jats:title>Discussion<\/jats:title><jats:p>Inefficiency as a core aspect of AN appears to trigger dysfunctional cognitive\u2010affective processes which may contribute to vulnerability for AN.<\/jats:p><\/jats:sec>","DOI":"10.1002\/eat.23189","type":"journal-article","created":{"date-parts":[[2019,10,21]],"date-time":"2019-10-21T14:28:07Z","timestamp":1571668087000},"page":"239-247","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["A naturalistic investigation of cognitive\u2010affective dysfunction in anorexia nervosa: The role of inefficiency"],"prefix":"10.1002","volume":"53","author":[{"given":"Sophia","family":"F\u00fcrtjes","sequence":"first","affiliation":[{"name":"Division of Psychological and Social Medicine and Developmental Neuroscience, Faculty of Medicine Technische Universit\u00e4t Dresden  Dresden Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maria","family":"Seidel","sequence":"additional","affiliation":[{"name":"Division of Psychological and Social Medicine and Developmental Neuroscience, Faculty of Medicine Technische Universit\u00e4t Dresden  Dresden Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Joseph A.","family":"King","sequence":"additional","affiliation":[{"name":"Division of Psychological and Social Medicine and Developmental Neuroscience, Faculty of Medicine Technische Universit\u00e4t Dresden  Dresden Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ilka","family":"Boehm","sequence":"additional","affiliation":[{"name":"Division of Psychological and Social Medicine and Developmental Neuroscience, Faculty of Medicine Technische Universit\u00e4t Dresden  Dresden Germany"},{"name":"Translational Developmental Neuroscience Section, Eating Disorder Research and Treatment Center, Department of Child and Adolescent Psychiatry, Faculty of Medicine Technische Universit\u00e4t Dresden  Dresden Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Charlotte","family":"Jaite","sequence":"additional","affiliation":[{"name":"Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, Charit\u00e9\u2013\u2013Universit\u00e4tsmedizin Berlin, corporate member of Freie Universit\u00e4t Berlin Humboldt\u2010Universit\u00e4t zu Berlin, and Berlin Institute of Health  Berlin Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Veit","family":"Roessner","sequence":"additional","affiliation":[{"name":"Translational Developmental Neuroscience Section, Eating Disorder Research and Treatment Center, Department of Child and Adolescent Psychiatry, Faculty of Medicine Technische Universit\u00e4t Dresden  Dresden Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2132-4445","authenticated-orcid":false,"given":"Stefan","family":"Ehrlich","sequence":"additional","affiliation":[{"name":"Division of Psychological and Social Medicine and Developmental Neuroscience, Faculty of Medicine Technische Universit\u00e4t Dresden  Dresden Germany"},{"name":"Translational Developmental Neuroscience Section, Eating Disorder Research and Treatment Center, Department of Child and Adolescent Psychiatry, Faculty of Medicine Technische Universit\u00e4t Dresden  Dresden Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2019,10,21]]},"reference":[{"volume-title":"The golden cage. 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