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Overcoming limitations of self-report : an assessment of fear of weight gain in anorexia nervosa and healthy controls using implicit association tests

Overcoming limitations of self-report : an assessment of fear of weight gain in anorexia nervosa and healthy controls using implicit association tests

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BORGERS, Tiana, Nathalie KRÜGER, Silja VOCKS, Jennifer J. THOMAS, Franziska PLESSOW, Andrea S. HARTMANN, 2021. Overcoming limitations of self-report : an assessment of fear of weight gain in anorexia nervosa and healthy controls using implicit association tests. In: Journal of Eating Disorders. BioMed Central. 9, 26. eISSN 2050-2974. Available under: doi: 10.1186/s40337-021-00379-8

@article{Borgers2021-02-18Overc-55552, title={Overcoming limitations of self-report : an assessment of fear of weight gain in anorexia nervosa and healthy controls using implicit association tests}, year={2021}, doi={10.1186/s40337-021-00379-8}, volume={9}, journal={Journal of Eating Disorders}, author={Borgers, Tiana and Krüger, Nathalie and Vocks, Silja and Thomas, Jennifer J. and Plessow, Franziska and Hartmann, Andrea S.}, note={Article Number: 26} }

Overcoming limitations of self-report : an assessment of fear of weight gain in anorexia nervosa and healthy controls using implicit association tests Attribution 4.0 International Plessow, Franziska 2021-11-16T10:11:11Z eng Krüger, Nathalie Vocks, Silja Plessow, Franziska Krüger, Nathalie 2021-11-16T10:11:11Z Background<br />Fear of weight gain is a characteristic feature of anorexia nervosa (AN), and reducing this fear is often a main target of treatment. However, research shows that 20% of individuals with AN do not report fear of weight gain. Studies are needed that evaluate the centrality of fear of weight gain for AN with a method less susceptible to deception than self-report.<br /><br />Methods<br />We approximated implicit fear of weight gain by measuring implicit drive for thinness using implicit association tests (IATs). We asked 64 participants (35 AN, 29 healthy controls [HCs]) to categorize statements as pro-dieting vs. non-dieting and true vs. false in a questionnaire-based IAT, and pictures of underweight vs. normal-weight models and positive vs. negative words in a picture-based IAT using two response keys. We tested for associations between implicit drive for thinness and explicitly reported psychopathology within AN as well as group differences between AN and HC groups.<br /><br />Results<br />Correlation analyses within the AN group showed that higher implicit drive for thinness was associated with more pronounced eating disorder-specific psychopathology. Furthermore, the AN group showed a stronger implicit drive for thinness than HCs in both IATs.<br /><br />Conclusion<br />The results highlight the relevance of considering fear of weight gain as a continuous construct. Our implicit assessment captures various degrees of fear of weight gain in AN, which might allow for more individually tailored interventions in the future. Borgers, Tiana Thomas, Jennifer J. Hartmann, Andrea S. 2021-02-18 Borgers, Tiana Vocks, Silja Hartmann, Andrea S. Thomas, Jennifer J.

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