The master plan and schedule are essential tools for project management. By involving the project team in their development, the project manager ensures that team members understand the project scope, objectives, and timeline. This understanding is crucial for effective project execution. Additionally, a well-structured master plan and schedule help team members coordinate their efforts, allocate resources, and manage dependencies. While motivation, leadership, and skill improvement are important aspects of project management, they are not directly addressed by the master plan and schedule. Therefore, the correct answer is B. aware of the project scope1. References: 1: The ASQ Certified Manager of Quality/Organizational Excellence Handbook, Fifth Edition 1.