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We performed a post-hoc power analysis to determine the minimum effect size necessary to detect a statistically significant improvement in eating disorder symptoms with the reached sample size (n = 126 for BMI and n = 96 for EDE, n = 67 for EDE-Q and EDI-2 analyses). Using a t-test for paired sampled and a significance level of 0.05, small to medium effects (Δ 0.29–0.40) can be detected with a power of 90%.
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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
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