Explanation
The requirements traceability matrix is a tool that links the project requirements to the project scope, deliverables, quality criteria, and verification methods. It helps to ensure that the project meets the stakeholder expectations and the quality standards. By reviewing the matrix and conducting inspections, the project manager can identify any gaps or discrepancies between the quality specifications and the deliverables, and take corrective actions if needed. The other options are not appropriate in thissituation, as they do not address the root cause of the stakeholder's dissatisfaction or the quality issue. References: PMBOK Guide, 7th edition, page 101, 103, 108.