Quality Assurance: Software Quality Assurance Made Easy pdfdrive com


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Quality Assurance Software Quality Assurance Made Easy ( PDFDrive )

The DMAIC Methodology
DMAIC stands for Define, Measure, Analyze, Improve, and Control. The Define
phase requires the definition of specific customer requirements, project goals,
and the system itself. The Measure phase requires the collection of relevant data
in order to measure the present process.
The Analyze phase investigates and verifies the data for cause-and-effect
relationships. It tries to find the root cause of every defect discovered. The
Improve phase, on the other hand, optimizes the present process by using
techniques and standard work for future state process.
The Control phase ensures corrections to any deviations from the standard
before such deviations can cause defects. It implements control systems and
monitors the process continuously.
The DMADV Methodology
DMADV stands for Define, Measure, Analyze, Design, and Verify. The Define
phase defines the goals of the design based on the business strategy and
customer specifications. The Measure phase identifies the critical characteristics
of quality. It measures risks, process capability of production, and product
capabilities.
The Analyze phase includes analysis in order to create and design alternatives
while the Design phase chooses the best alternative from the previous phase and
improves on it. Lastly, the Verify phase implements the process, sets up pilot
runs, and turns it over to the process owners.


Important Six Sigma Roles
The Executive Leadership consists of the organization’s top management. These
people create the vision for the implementation of Six Sigma. They empower
other people with resources and freedom to search for ideas for improving
processes and overcoming resistance to change.
Champions are from the upper management assigned by the Executive
Leadership. They implement the Six Sigma within the organization. They are
also mentors of Black Belts.
Master Black Belts are in-house Six Sigma coaches assigned by Champions.
They spend all their time to the implementation of Six Sigma. They guide the
Green Belts and Black Belts and help the Champions, as well. They ensure the
consistent application of Six Sigma concepts in different departments and
functions.
Black Belts apply the methodology to certain projects. They are under the
Master Black Belts and spend all their time on Six Sigma. They focus on project
implementation and are special leaders with special tasks.
Green Belts implement the Six Sigma methodology with other responsibilities.
They work under the Black Belts.



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