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| Criterion |  Operations 5 Whys |  Operations Gemba Walk |  Business Strategy Strategy Execution Loop |  Operations Learning Review |
|---|---|---|---|---|
Purposedifferent | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | 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. | 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 a project phase with mixed results, the method makes learning from the individual case reusable. It connects events, decisions, and systemic conditions into robust insights. |
Complexitydifferent | Low | Low | High | Medium |
Timedifferent | 15-30 min | 30-120 min | Initial 3-6 h, then monthly or quarterly reviews | 1-3 h |
Participantsdifferent | 2-6 | 2-6 | 5-12 | 3-10 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop |
Outputdifferent | Root cause notes, Countermeasures | Observation Notes, Improvement Ideas | Execution Loop, Review Cadence, Strategic Learning Log | Learning Review Notes, System Factors, Improvement Actions |
Tagsno overlap | Root causeIncidentLeanProblem solving | LeanObservationProcessOperations | ExecutionCadenceLearningGovernance | LearningRetrospectiveIncidentOperations |