Educational guide: Illustrative scenarios are examples, not claims about specific client projects.
Why improvements sometimes disappear
A redesigned workflow performs well in its pilot, but six months later the old spreadsheets and duplicate checks are back. Often the issue is not the design itself; it is that ownership, training, measurement, and change control were never established.
The Control phase of DMAIC makes clear how the new process should operate after the improvement project ends.
Five essentials of a control plan
Owner: who maintains and authorizes changes. Metric: what reveals whether the process is working. Cadence: how frequently outcomes are reviewed. Trigger: what variation requires attention. Response: what the owner does when results decline.
Keep these elements proportional to the risk and complexity of the workflow. A small service team does not need a large dashboard for every minor process.
An onboarding control plan example
Suppose HR introduces a required-fields intake form to reduce missing information. A simple plan could track the percentage of requests returned for corrections each week and identify the operations manager as the process owner.
If return rates rise, investigate whether a requirement changed, the form stopped validating a field, or instructions need updating. Avoid pressuring employees to hide errors to improve a metric.
Make documentation part of the control system
Publish one current SOP, an ownership matrix, and exception guidance in a searchable location. Archive outdated versions and clarify how updates are communicated.
For sensitive workflows, retain mandated audit, quality, and security safeguards. See DMAIC for office operations for the full improvement cycle.
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