By going through the structured phases
By going through the structured phases you discover the unknown solution to your quality problem.
First you identify the problem you need to solve. At the Define stage of a project, you should have a defined issue or problem you wish to overcome and improve. Once a process is selected as a candidate for improvement, a problem statement is developed and the objective or desired outcome is defined. Progress measures are established and a cost/benefit analysis is performed. Also during the Define phase, you highlight what the project is supposed to do and how it is supposed to do it and what metrics apply. With a clear measurable set of indicators, the Measure phase studies the process to determine the key process steps and variables to determine the potential ways the process could be going wrong.
After measurements are gathered, the data is analyzed to discover what is causing process variation. Once problem causes are determined in the Analyze phase, you find, evaluate through testing, and decide on creative new improvement solutions. As you move through the Analyze and Improve stages of the process you will identify various process improvement scenarios, and determine which solution has the best net benefit impact to the company.
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