01/18/2019
DMAIC is the problem-solving methodology behind . It consists of five Phases: , , , and .
Define
What problem would you like to fix?
The Define Phase is the first phase of the Lean Six Sigma . In this phase the project team creates a Project Charter, a high-level of the process and begins to understand the needs of the customers of the process. This is a critical phase in which the team outlines the project focus for themselves and the leadership of the organization.
Measure
How does the process currently perform? Or in other words, what is the magnitude of the problem?
As the team starts collecting data they focus on both the process as well as measuring what customers care about. That means initially there are two focuses: reducing or improving quality. In the Measure Phase, the team refines the measurement definitions and determines the current performance or the baseline of the process.
Analyze
What is causing the problem?
The Analyze Phase is often not given enough attention and, without analysis, teams jump to solutions before knowing the true root causes of the issues. The result is teams who implement solutions but don’t resolve the problem! The ideal is for teams to brainstorm potential root causes (not solutions), develop hypotheses as to why problems exist and then work to prove or disprove their hypotheses.
Improve
How will the team mitigate the root causes of the problem?
Once the project teams have determined the it’s time to develop solutions. A structured improvement effort can lead to innovative and elegant solutions that improve the baseline measure and, ultimately, the .
Control
How do you sustain the improvement?
Now that the process problem is fixed and improvements are in place, the team is focused on creating a to continue measuring the success of the updated process and developing a .
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