What tool is used in the Verify Scope Process to ensure all work is completed?

In the Verify Scope process, the primary tool used to ensure that all work is completed is inspection. This involves a thorough examination or assessment of the deliverables to determine if they meet the specified requirements and acceptance criteria set forth in the project plan. Inspection allows project managers and stakeholders to validate that the work aligns with the agreed-upon scope and provides an opportunity to identify any deficiencies or outstanding work.

While variance analysis is useful for measuring differences between planned and actual project performance, it does not directly confirm the completeness of project deliverables. Replanning is a strategic approach taken when adjustments are needed throughout the project lifecycle but does not specifically address verification of completed work. Additionally, activity duration estimates are primarily focused on estimating the time required to complete tasks rather than verifying whether those tasks have been satisfactorily completed. Therefore, inspection stands out as the most relevant and effective tool in the Verify Scope process.