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| Criterion |  Operations A3 Problem Solving |  Business Strategy Strategy Execution Loop |  Operations After-Action Review |  Operations Gemba Walk |
|---|---|---|---|---|
Purposedifferent | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | The Strategy Execution Loop helps avoid treating strategy as a one-off document. It makes visible how strategic decisions are turned into objectives, initiatives, operational work, measurement, and learning. | After missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. | When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. |
Complexitydifferent | Medium | High | Low | Low |
Timedifferent | 45-90 min | Initial 3-6 h, then monthly or quarterly reviews | 20-45 min | 30-120 min |
Participantsdifferent | 2-5 | 5-12 | 3-12 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Execution Loop, Review Cadence, Strategic Learning Log | Lessons learned, Action items, Event summary | Observation Notes, Improvement Ideas |
Tagsno overlap | LeanProblem solvingCoachingOperations | ExecutionCadenceLearningGovernance | LearningOperationsImprovement | LeanObservationProcessOperations |