Objective analysis of the data, achieved through
the use of statistical process control techniques,
will be conducted by the team. The identification
of the root cause(s) of the problem will be the
goal. The team will utilize formal tools such
as cause-and-effect diagrams, Pareto diagramming,
or nominal group techniques for identifying root
causes and setting priorities for decisionmaking.
Important questions to be answered in this step
include:
- What are the major causes of variation
or poor quality?
- Which key characteristics are
measurable?
- What ... who ... where ... when ... how
will data be collected?
- Do the data reflect common or special cause
variations?
- Which causes of variation can we change
to improve the process?
QI Tools
that can be used during this process improvement
step include:
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