Two members of a new project team disagree on the best approach to solve a problem. The conflict has been going on for 1 week. The two members are tense around each other and are taking everything personally.
What should the project manager do?

An organization is using a hybrid delivery approach for a business project. The product owner, the person who was also managing the project, was promoted to a more senior role. A new project lead has joined the project.
Which artifact should the project lead use to ensure that the project benefits have been identified?

During execution of a complex project, the project manager encounters numerous change requests from various teams. These changes may result in the project not meeting its objectives.
How should the project manager ensure that these changes are managed effectively?

A project manager wants to assign a junior engineer to a new project. In past projects, the engineer showed initiative to take on complex tasks and solve problems in innovative ways without any need for encouragement. However, the engineer declines the project manager's invitation to join the new project.
What is the most likely reason for the engineer's refusal to work on the project?

A project manager works in a hierarchical organization. The project team members are used to being told what to do, and the performance reviews include the percentage of completion of the allocated tasks. After a conversation with the sponsor, the project manager realizes that they need to reassign a couple of tasks to meet the next milestone. This change can be perceived as poor performance by the current assignees.
What should the project manager do?