What kind of adjustments are made if work processes are not meeting acceptable limits?

The selection of reviewing and adapting the project management approach as the correct answer reflects a fundamental principle of Scrum, which emphasizes continuous improvement and adaptation. In scenarios where work processes do not meet acceptable limits, the team should reflect on their current practices, identify areas for improvement, and modify their methods accordingly. This could involve adjusting workflows, enhancing collaboration, improving communication, or revising the approach to backlog refinement and sprint planning.

By reviewing and adapting, the team can utilize empirical data, feedback, and lessons learned to make informed decisions that foster better performance, ultimately leading to enhanced productivity and improved outcomes. This iterative improvement process is essential in ensuring that teams can meet their goals effectively within the Scrum framework.

The other options do not align with the principles of Scrum and continuous improvement. Not making any adjustments would be counterproductive, as it ignores the need for reflection and change in response to ineffective processes. Increasing the duration of the Sprint does not address the underlying issues and may only prolong inefficiencies without contributing to a resolution. Stopping work until the issue is resolved could halt progress and disrupt team dynamics, which is not in line with the agile approach that promotes iterative progress and adaptability.