The Anthroposophic Art Therapy Assessment Paint (AART-ASSESS-P): A peer-report instrument to assess patients’ pictorial expression during Anthroposophic Painting Therapy
2020
Abstract Objective Anthroposophic painting therapy (APT) is a specific form of art therapy that aims to activate self-healing capacities through painting aquarelles. Methods The Anthroposophic Art Therapy Assessment-Paint’ (AART-ASSESS-P) was developed to measure pictorial expression and validated in the framework of a comprehensive cohort design study that includes 68 breast cancer patients with fatigue. Art therapists made pre- and post-assessments of spontaneously drawn water-color paintings with a preliminary version of the AART-ASSESS-P (58 items). Inter-rater reliability (IRR) for the items was examined with Cohen's weighted Kappa (κw) and with a reliability- and factor analysis (FA). Convergence criteria were patients’ self-report measures: the Satisfaction with Painting Therapy (SPT), Inner Correspondence with Painting Therapy (ICPTh) and the Self-Regulation Questionnaire (SRS). Results IRR for the items was heterogeneous (κw = 0.09-0.89, Mean κw = 0.40, SD = 0.17). Thirty-six items were excluded due to insufficient IRR and item-total correlation (κw = Conclusion The ART-ASSESS-Pis the first reliable instrument to measure pictorial expression during APT.
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