Lean Six Sigma, 3rd Edition

Chapter 8 Define

DOI: 10.4324/9781003397649-10

$$\mathbf{\text{Define}}\to \text{Measure}\to \text{Analyze}\to \text{Improve}\to \text{Control}$$

The Define Phase of the DMAIC model is often overlooked, yet it is one of the most critical steps in the process. A clear understanding of the problem is crucial to any improvement project’s success. In addition, the Define Phase is the foundation for the entire DMAIC project, as it helps to identify and understand the process, root cause, customer needs, and gaps in the current system. In short, it helps define the scope of the problem and identify potential solutions.

The Define Phase of the DMAIC model is the first step in problem-solving and process improvement. The objective of this phase is to define the problem clearly. To complete this phase, one must ...