Which phase involves implementing solutions to improve the process?

The phase that involves implementing solutions to improve the process is the Improve phase. In this stage of the Six Sigma methodology, teams actively develop and implement changes that are designed to enhance the performance of the process. This could involve testing various solutions to determine their effectiveness and making necessary adjustments based on the results.

During the Improve phase, teams focus on applying the knowledge gathered in previous phases—Define, Measure, and Analyze—to create practical solutions that address the root causes of issues identified. This is a critical step as it transitions the project from the analysis of problems to the actual enhancement of processes, leading to tangible improvements in quality or efficiency.

The other phases play different roles in the overall project. For instance, the Define phase is about identifying the problem and setting goals, the Measure phase involves collecting data to understand current performance, and the Analyze phase is focused on identifying root causes of issues. Therefore, while each phase is important in the Six Sigma process, the implementation of solutions specifically occurs during the Improve phase.