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Identify when you need a structured method for problem solving
DEFINE, MEASURE, analyze, improve and control (DMAIC) is a structured problem-solving method. Each phase builds on the previous one, with the goal of implementing long-term solutions to problems. Sometimes, project leaders or sponsors don't feel a formal approach is necessary, but most problem-solving efforts benefit from a disciplined method.
The tools used in the define phase lay the foundation for the project. The team accurately and succinctly defines the problem, identifies customers and their requirements, and determines skills and areas that need representation on the project team. Individuals who must be part of the core team or be ad-hoc members are identified, and project measures, financiáis and a communication plan are established.
The measure phase is when the true process is identified and documented. Process steps, and corresponding inputs and outputs are identified. Measurement systems are identified or developed, and validated and improved as required. Baseline performance is established with trustworthy data.
In the analyze phase, the critical inputs are identified. Inputs that have a strong relationship with the outputs and root causes are determined. These critical inputs are the...