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DMAIC Process and Methods | All you need to know [ OverView ]

Last updated on 27th Oct 2022, Artciles, Blog

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Anita Rawat (Project Manager )

Anita Rawat is the project lead for the waterfall approach, which uses a linear procedure to make decisions, execute, and analyze. She has expertise in Critical Path, Critical Chain, Pure Resources Leveling, and PMBOK.

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    • In this article you will learn:
    • 1.Introduction
    • 2.What is DMAIC?
    • 3.Why the DMAIC Method?
    • 4.How do you assess these circumstances?
    • 5.DMAIC Benefits
    • 5.The Five DMAIC Phases
    • 6.Conclusion


Companies have always tried to boost their sales and profits, which, in a way, show how good their products and services are. With new technologies being added to the business world all the time, the race to the bottom line is tougher than ever. In general, organizations are rushing to enhance their operations and become more efficient. This is one reason why more companies are starting to use DMAIC, which is one of the core methods for Six Sigma projects or any process improvement project.

What is DMAIC?

DMAIC is a data-driven cycle of process improvement that strives to enhance, optimize, and stabilize business processes and designs. DMAIC is the improvement cycle that guides a Six Sigma project.

DMAIC is a five-step technique for optimizing a wide range of organizational processes, such as software development, manufacturing, and others. This method, while linked with Six Sigma, can also be used to lean and other process-improvement strategies. DMAIC is a data-driven problem-solving technique aimed to discover and eliminate inefficiencies in a process, hence enhancing its results and making them more predictable.

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  • DMAIC stands for Define, Measure, Analyze, Improve, and Control and is pronounced “duh-may-ik.”

The DMAIC methodology evolved from the PDSA (“plan, do, study, act”) cycle devised by statistician Walter A. Shewhart in the 1930s at Bell Laboratories. But the technique as it exists now was shaped by some of the world’s top corporations, including Toyota, Motorola, General Electric, and Ford Motor Company. Here you may discover more about the history behind the development of DMAIC and Six Sigma.

Why the DMAIC Method?

Before we delve into the primary process, there is one additional step that some organizations take to determine if DMAIC is the best method for solving their challenges. This process is known as “recognize.”


Even though it’s not a formal part of DMAIC, this step is important because DMAIC can’t be used in every situation. There are various scenarios under which this process improvement technique may be appropriate. To figure out if DMAIC is the right tool for you, it’s important to know the right conditions and choose the right problem to solve.

How do you assess these circumstances?

Here are three primary considerations:

  • There are obvious inefficiencies and flaws in the current procedure.
  • There is the ability to minimize variables like lead times or other defects while simultaneously increasing others such as productivity or cost savings.
  • The situation is evaluable, and the consequences can be adequately quantified and comprehended.
  • You can be sure that your process would benefit from DMAIC implementation after looking at all of the above factors.

DMAIC Benefits:

  • DMAIC and six sigma applications leverage the DMAIC paradigm to improve the quality of the results provided by a company’s processes.
  • Companies have always tried to boost their sales and profits, which, in a way, show how good their products and services are. With new technologies being added to the business world all the time, the race to the bottom line is tougher than ever.
  • In general, organizations are rushing to enhance their operations and become more efficient. This is one of the reasons why more firms are adopting DMAIC, one of the foundational approaches for Six Sigma projects or any process improvement project.
  • With the right application of DMAIC, organizations have reaped numerous benefits, including a reduction in the cost of poor quality, an increase in revenue, and an overall improvement in corporate performance and efficiency.
  • The Lean Six Sigma Green Belt Certification course explains what Six Sigma is and how the DMAIC method works. Register Now!

The Five DMAIC Phases

The DMAIC method has five steps that are meant to set up the structure for process improvement, set goals, track progress, and evaluate results. The five phases (with a description of each) are as follows:

Five DMAIC Phases

1. Define

During this step, we choose the most important and consequential improvement opportunities. In this step, you will map out the method, focus, scope, and final goal. You will also figure out how the problem affects all stakeholders. The method for initiating a DMAIC cycle is to create an issue statement.Other crucial stages at this stage include:

  • Determine the prospects with the greatest potential for development
  • Outline the project’s scope and create a value stream map (VSM) to describe each process step.
  • Create a “voice of the customer table” (VOCT) to identify customer requirements.
  • Identify all stakeholders
  • Estimate the project’s effect and duration
  • Recognize and record business opportunity
  • Consider additional associated procedures
  • A successful The define phase enables you to proceed with well-defined, crystal-clear objectives and a schedule for project completion.

2. Procedure

In the measure phase, baselines are established to evaluate the performance of a specific process. Without reliable reference points, it is difficult to track improvements. Consequently, at this point, we:

  • Create the data collection techniques that will be used to assess success.
  • Recognize signs of input, process, and output
  • Compile and investigate current state data
  • Describe the investigation of failure types and their effects
  • Application of process capability analysis
  • At this point, you can get better results by using visual management tools like control charts, bar charts, and run charts, among others.

3. Analyze

During this phase, the goal is to find and test the root causes of problems to make sure that they are fixed at their source. Important measures at this stage include:

  • Performing a thorough root cause analysis (RCA), which encompasses a wide variety of approaches and methodologies, such as change analysis, events and causal factor analysis, and the Kepner-Tregoe problem solving and decision making model.
  • Conducting a failure mode and effects analysis (FMEA) in order to discover all potential problem areas, inefficiencies, faults, defects, and deficiencies.
  • Using a multivari chart to obtain a visual depiction of the variations within a given process.
  • Developing process management
  • Creating a plan for enhancement
  • After this phase, you will be able to successfully identify and record all chances for change, and your action plan will begin to take shape.

4. Improve

Now that the analysis has been completed and the data is available, it is time to begin making improvements.This phase consists of the following actions:

  • Conceptualize and provide solutions
  • Design an experiment (DOE) to determine the anticipated advantages of a proposed solution.
  • Refine process maps and plans based on the information gathered in the previous phase.
  • Describe a test solution and strategy.
  • Utilize Kaizen events to enhance the process.
  • Inform all parties involved of the solution.
  • Utilizing improvement management software at this point is beneficial. This facilitates the smooth progression of the process, promotes cross-functional collaboration, and makes it easier for management and executives to track the development of a particular DMAIC project.

5. Control

After modifications have been implemented and are successfully resolving problems to improve your operations, it is necessary to bring the process under control to assure its durability. Here’s where you’ll find:

  • Determine and record the new work standard
  • Make a plan for quality control that makes sure everyone on the team follows the same steps and uses the same measurements.
  • Confirm decrease of failures attributable to the identified cause
  • Utilize statistical process control (SPC) to monitor process execution and identify problems.
  • Determine, if necessary, additional enhancements to fulfill process objectives.
  • Streamline process enhancements by implementing the “Five S’s” of Lean
  • Integrate, record, and convey learnt lessons
  • After the control phase, the total impact of process modifications may be quantified in terms of cost reduction, efficiency, quality improvement, productivity growth, and customer satisfaction.
  • This phase lasts as long as there are new ways to improve, after which the DMAIC cycle starts over from the beginning. To start a DMAIC process, it takes time, work, and discipline, but once your team gets the hang of it, they will get used to the method.


The DMAIC process, a core component of the six sigma technique, is intended to increase efficiency and production. By obtaining the Lean Six Sigma Green Belt certification, professionals will not only grasp DMAIC, but also how to implement these principles in real-world scenarios. The online Lean Six Sigma Green Belt certification course from ACTE will help you pass the certification exam and prepare you for a job in the newest six sigma techniques, all without leaving your house. Here are a few things that should come to mind whenever Six Sigma is mentioned:

  • Business Process Enhancement Technique
  • Defects based on million possible outcomes
  • Customer-centric Uses data and statistics
  • Determine the monetary benefits.
  • Structured development technique

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