Final answer:
The outcome that best demonstrates that the nurse is applying the principles of thought leadership is improved patient outcomes.
Step-by-step explanation:
The outcome that best demonstrates that the nurse is applying the principles of thought leadership is improved patient outcomes. By proposing a change in the skills mix on the hospital unit, with fewer registered nurses and more nursing assistants, the nurse-manager focuses on optimizing the utilization of resources to enhance patient care. This approach aligns with thought leadership, which emphasizes innovation, strategic thinking, and a commitment to achieving positive outcomes.