Concern over Mistakes and Personal Standards Across Transdiagnostic Eating Disorder Behavioural Presentations
Abstract
Concern over Mistakes (CM) reflects a fear of mistakes and harsh self-criticism, while Personal Standards (PS) reflects setting demanding self-imposed standards. These dimensions of perfectionism play distinct yet complementary roles in eating pathology. We aimed to investigate CM and PS across eating disorder (ED) diagnoses and behavioural presentations (restrictive, binge-purge and binge), compared to psychiatric and healthy control (HC) groups. Given the established relationship between negative affect, perfectionism and eating pathology, we controlled for anxiety and depressive symptoms. We expected that CM would not differ between EDs groups, PS would be higher in restricting-type EDs, and all ED groups would score higher than controls.Participants were drawn from a student/community sample, including 103 with a self-reported lifetime ED, 25 with a non-ED psychiatric diagnosis, and 69 HCs. Separate one-way multivariate analyses of variance (MANOVAs) examined group differences, followed by separate MANCOVAs controlling for anxiety and depressive symptoms.CM did not significantly differ between ED diagnostic groups or behavioural presentations. All ED groups scored higher than both control groups (ds = 0.94–1.88), except BN, which did not significantly differ from psychiatric controls (d = 0.94). Controlling for negative affect, all behavioural presentation groups remained significantly higher on CM than both control groups (ds = 0.90–1.41). For ED diagnoses, only AN and…
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