“…However, it is also acknowledged that therapists may have displayed a similarly high level of competence delivering other aspects of the intervention. The latter finding that therapeutic space is associated with treatment outcome aligns with past research highlighting the importance of aspects of the physical environment, including room size, containment (Pearson and Wilson, 2012), and seating arrangement (Rickard et al, 2020), in enhancing treatment outcomes; however, research in this area is predominantly limited to qualitative studies. Additionally, interpretation of this association is complicated by suboptimal inter-rater reliability, and the heterogenous nature of the Therapeutic Space variable which encompassed factors including not only the physical environment, but the appropriateness of materials, whether the task was completed with all significant family members together, and whether the family were invited to keep the drawing upon conclusion of the task after a copy was made for the clinical file.…”