"the Six Sigma Define, Measure, Analyze, Improve, Control (dmaic) Process
By: Stenly • Essay • 1,478 Words • December 15, 2009 • 1,140 Views
Essay title: "the Six Sigma Define, Measure, Analyze, Improve, Control (dmaic) Process
"The Six Sigma Define, Measure, Analyze, Improve, Control (DMAIC) Process"1
Six Sigma вЂ“ DEFINE process includes:
вЂў Define the project: purpose, scope, and resources in the charter
вЂў Develop the SIPOC (Suppliers-Inputs-Process-Outputs-Customers) map to understand the process
вЂў Determine project goals the fit customer needs (Voice of the Customer)
Six Sigma вЂ“ MEASURE process includes:
вЂў Collect baseline data on suspected problem
вЂў Plot the data in time order
вЂў Use Pareto charts to pinpoint occurrence
вЂў Calculate process sigma
вЂў Create detailed process maps to analyze waste and bottlenecks
Six Sigma вЂ“ ANALYZE process includes:
вЂў Focus on the problems identified in the "Measure" process
вЂў Brainstorm as many potential causes as possible
вЂў Select a few of the most likely causes and collect data on them
вЂў Use statistical methods to quantify the effects
Six Sigma вЂ“ IMPROVE process includes:
вЂў Brainstorm many ideas for improvement
вЂў Select solutions: select criteria to assess alternative solutions, then evaluate alternatives through testing
вЂў Develop plans, including tasks, timelines, budget, resources, and stakeholders
вЂў Plot the selected solutions using PDCA cycles
вЂў Implement plans, including the means by which you will check results
вЂў Interpret the charts to quantify effects of solutions
вЂў Evaluate overall results against the methods used to achieve them
Six Sigma вЂ“ CONTROL process includes:
вЂў Document the new methods in order to develop standard work procedures
вЂў Provide training to those who will use new methods
вЂў Monitor implementation and make course corrections
вЂў Create a process to update and improve the method
вЂў Summarize and communicate key lessons learned to others
вЂў Recommend next project to further increase sigma level
1Condensed from Six Sigma Black Belt Training developed by Oriel Inc
The Cause and Effect Diagram (a.k.a. Fishbone)
By Kerri Simon
When utilizing a team approach to problem solving, there are often many opinions as to the problem's root cause. One way to capture these different ideas and stimulate the team's brainstorming on root causes is the cause and effect diagram, commonly called a fishbone. The fishbone will help to visually display the many potential causes for a specific problem or effect. It is particularly useful in a group setting and for situations in which little quantitative data is available for analysis.
The fishbone has an ancillary benefit as well. Because people by nature often like to get right to determining what to do about a problem, this can help bring out a more thorough exploration of the issues behind the problem - which will lead to a more robust solution.
To construct a fishbone, start with stating the problem in the form of a question, such as 'Why is the help desk's abandon rate so high?' Framing it as a 'why' question will help in brainstorming, as each root cause idea should answer the question. The team should agree on the statement of the problem and then place this question in a box at the 'head' of the fishbone.
The rest of the fishbone then consists of one line drawn across the page, attached to the problem statement, and several lines, or 'bones,' coming out vertically from the main line. These branches are labeled with different categories. The categories you use are up to you to decide. There are a few standard choices:
Table 1: Fishbone Suggested Categories
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