Root Cause

Lean Six Sigma Q&A - GoLeanSixSigma.com

Are projects typically approved before an A3 is created?

Are projects typically approved before an A3 is created? How common is it for teams to use A3’s as project Charters? Yes, the project should be approved in the early stages of A3 use. A DMAIC project charter outlines the initial elements of a project including a problem and goal statement, scope, a business case,…
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Lean Six Sigma Q&A - GoLeanSixSigma.com

One A3 can be used to solve how many problems?

One A3 per process issue or problem. This helps keep laser focused on the problem to be solved and the root causes. If we are trying to solve too many problems with one A3 we may not solve anything at all. Sometimes there is a parent A3 with child A3s that accompany the parent. Learn…
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Lean Six Sigma Q&A - GoLeanSixSigma.com

Is A3 the same with Gap Analysis?

Doing a gap analysis is to me, really about problem and goal statements, where the A3 is working through root causes to the problem and countermeasures. Learn how you can use this time-tested tool to help see the thinking behind the problem-solving by registering for our A3 Training & Certification Single Module today!
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Lean Six Sigma Q&A - GoLeanSixSigma.com

Is A3 similar to project charter?

A DMAIC project charter outlines the initial elements of a project including a problem and goal statement, scope, a business case, timeline and team members. The charter serves as a tool to get clear on the initial problem and agreement on what the project will be with stakeholders. An A3 is different because it helps…
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Lean Six Sigma Q&A - GoLeanSixSigma.com

How often do you validate the data in a Swimlane Map?

It depends on the process. At a basic level, you would get baseline data for the “As Is” map and then you would measure again once the “To Be” process has been implemented. After that, you would decide which process measures to keep monitoring based on where you found the root causes and what would…
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Lean Six Sigma Q&A - GoLeanSixSigma.com

If a countermeasure is a temporary solution, what is considered a permanent solution?

The idea behind using the term countermeasures is that it’s a temporary fix to address the root causes at hand. Typically, people view solutions as something permanent, with the expectation that it doesn’t need to be revisited unless of course something is wrong. Thinking about solutions in the form of countermeasures is more experimental in…
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5 Whys - GoLeanSixSigma.com

5 Whys

  What are the 5 Whys? 5 Whys is a simple but effective method of analyzing and solving problems by asking “why” five times, or as many times as needed, in order to move past symptoms and determine root cause. This approach is used in tandem with Cause-and-Effect or Fishbone…

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