The Anthroposophic Artistic Movement Assessment for Eurythmy Therapy (AART-ASSESS-EuMove). A validation study

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ObjectiveEurythmy Therapy (ET) is a mindfulness oriented therapy developed in the context of anthroposophic medicine. Despite commonly used in practice, it remains unclear whether active participation (Inner Correspondence) during ET can be observed in eurythmy gestures (EGest). So far, no validated peer-report instrument to evaluate EGest exists. MethodTo validate an 83-item ET peer-report scale, a nested study on a sample of n = 82 breast cancer survivors with cancer-related fatigue was conducted. EGest were evaluated twice, at baseline and at 10-week follow-up, by peer-reports from two separate therapists. Interrater-reliability (IRR) was estimated by Cohen’s weighted kappa (κw) across all items. Additionally, reliability-(RA) and principal component analyses (PCA) were conducted. Patients completed two self-report scales: Satisfaction with ET (SET) and Inner Correspondence with the Movement Therapy (ICPH). ResultsIRR was greater than or equal (κw ≥ 0.25) for 41 items (49.3%) with a mean weighted kappa of κ̅w = 0.40 (SD = 0.17, range = 0.25–0.85). RA resulted in the exclusion of 25 items with insufficient item-total correlations < 0.40. A PCA with 16 items revealed 3 subscales: 1. Mindfulness in Movement (8 items), 2. Motor Skills (5 items), 3. Walking Pattern (3items) explaining 63.86% of total variance. Internal consistency (Cronbach’s alpha) was high for the sum score with α = 0.89 and for the subscales with α = 0.88, 0.86 and 0.84 respectively. Significant small to moderate subscale correlations were found ranging from r = 0.29–0.63 (all p < 0.01). Mindfulness in Movement correlated with Inner Correspondence (r = 0.32) and with Satisfaction with ET (r = - 0.25, both p < 0.05). ConclusionsThe new AART-ASSESS-EuMove is the first consistent and reliable peer-report instrument to evaluate EGest. It shows associations between peer-reported Mindful Movement and patients’ self-reported ICPH and SET.