This question aligns with Organizational Culture and Leadership , particularly knowledge sharing and cross-functional collaboration. Option D is correct because a service champion network creates designated individuals across different departments who share best practices, reinforce behaviors, and facilitate communication across disciplines . This structure supports continuous learning, consistency, and spread of improvement efforts organization-wide , which is essential in CPXP frameworks. Option A (patient comment cards) gathers feedback but does not ensure team learning. Option B (department councils) may operate in silos and limit cross-disciplinary exchange. Option C (training) is valuable but often one-time and not sustained across teams. CPXP emphasizes that distributed leadership models like champion networks enable ongoing learning, alignment, and culture change across interdisciplinary teams , making them the most effective approach.