The best action for a project manager to control scope creep in a global project with resources spread out in different locations is to ensure that any changes to the project scope are formally controlled. This is typically done through a change control board (CCB), which is a formal group responsible for reviewing, evaluating, and approving or rejecting changes to a project. The CCB ensures that any changes made to the project are carefully considered, evaluated for their impact, and aligned with the project's objectives and constraints12.
By having a CCB, the project manager can manage scope changes in a controlled manner, preventing scope creep and ensuring that the project remains on track.
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Control Scope Process3
Change Control Board: Roles, Responsibilities & Processes1
Change Control Board: What is It in Project Management?2