The project team then implements the solution according to the timeline and key milestones they have developed. The team then tests a proposed solution in a pilot program to test if the solution is effective and financially viable.Ĭontrol – In this phase, the project team documents the new solution that they have created so that it can be passed on to process owners. This is where the project team’s creativity comes into play in finding an answer to a longstanding process problem. Improve – Once the problem’s root cause is brought to light, the improve phase focuses on finding a permanent solution to the problem. In this phase, the team is able to quantify the financial benefit of solving the problem. A sub-process map can help identify the problems in the process and tools such as ANOVA and regression analysis can help narrow these problems to root causes. After this point, the project team’s efforts focus on eliminating or reducing variance as much as possible.Īnalyze – Once process performance has been quantified, the analyze phase of DMAIC helps identify possible causes of the problems. The data indicates how the process is performing and helps identify the villain in the Six Sigma narrative – variance. Measure – This phase includes creating and executing a data collection plan that provides reliable and significant data. This phase is completed when the team creates a process map that includes the process’s inputs and outputs. The project team will then identify the CTQs to help measure the impact the problem has on the customer. The phases of DMAICĭefine – The project begins by creating a team charter to identify team members, select the process the team will be improving and clearly define the objective of the project. The process encourages project teams to backtrack to previous steps if more information is needed. While DMAIC may be sequential, it is not strictly linear. DMAIC provides structure because each phase of the process contains tasks and tools that will lead the team to find an eventual solution. When to Use DMAICĭMAIC is used by a project team that is attempting to improve an existing process. The idea is that concentrating on processes leads to more effective and permanent solutions. The methodology seeks to improve the quality of a product or service by concentrating not on the output but on the process that created the output. The heart of DMAIC is making continuous improvements to an existing process through objective problem solving. The Six Sigma process improvement methodology encompasses much more than an acronym can describe. While the acronym gives an accurate summary of the process, it is only the beginning. It provides an overview of the method by which Six Sigma projects are completed, namely: define, measure, analyze, improve and control. This shorthand description lists the steps of the Six Sigma process when improving existing business processes. If the Six Sigma quality improvement methodology had to be summarized in one word, it would be the acronym DMAIC.
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