Established model
Plan–do–check–act
Walter A. Shewhart, popularised by W. Edwards Deming · 1939
Also known as PDCA, The Deming cycle, The Shewhart cycle
A loop that treats every change as a small experiment with a result you are obliged to look at.
Its place in the frameworkGoal Core›Tactical goals
What it does
Plan the change and what you expect, make it small, check what actually happened against what you predicted, then either standardise it or start again. The discipline that matters is writing the prediction down first, which is the step most often skipped.
- Reach for it when
- For tactical goals, where the point is a short cycle and a real answer rather than a defended forecast.
- Where it stops
- It improves what exists. A loop of small corrections will refine the wrong thing indefinitely without ever raising the question.
Walter A. Shewhart, Statistical Method from the Viewpoint of Quality Control, 1939; W. Edwards Deming, Out of the Crisis, MIT Press, 1986.
Why it sits at Tactical goals
The layer where strategy becomes somebody’s work. Tactical goals translate a strategic intention into named commitments with owners, resources and a way of telling whether they worked.
A model is only useful when you reach for it at the right moment. This one answers a question that arises here — so it is filed here, and nowhere else. These are the working areas it serves:
- Cascade and catchballDrucker’s management by objectives (1954), and the catchball practice within Hoshin Kanri.
- InitiativesThe initiative layer of the Balanced Scorecard, where strategy maps are connected to funded work.
- OwnershipRACI and its variants, which exist largely to prevent exactly that failure.
- ResourcingStandard capital- and resource-allocation practice; the connection point between goals and finance.
What it touches elsewhere
Nothing in a business is decided on its own. A conclusion reached with this model at Tactical goals lands in these other cores, whether or not anyone follows it there.
- Business CoreWhere most tactical goals land — systems, people, finance, partners.
- Time CoreProject management and the year wheel decide sequence and load.
- Data CoreThe measures that show whether a tactic worked, rather than merely happened.
Filed at the same place
These answer questions that arise at Tactical goals too. Where they disagree with this one, the disagreement is the useful part.
- Hoshin kanriTranslating a few company-level aims down through every level, and negotiating them back up before anyone commits.
- Management by objectivesManagers and their people agree objectives together, and performance is judged against those rather than against activity.
Elsewhere in Goal Core
These are other people’s models, named here so you can go to the source and use them properly. The Omnigoal is not affiliated with their authors and is not endorsed by them; nothing of theirs is reproduced here — no canvas, no diagram, no wording. Each is described in our own words, with the originator credited, because the framework is a place to put thinking, not a replacement for the people who did it. Model names and trademarks belong to their respective owners and are used here only to refer to the work itself.
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