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| Criterion |  Operations Gemba Walk |  Engineering Kanban |  Operations 5 Whys |
|---|---|---|---|
Purposedifferent | 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. | When work sits in too many parallel streams, throughput suffers and no one sees the bottlenecks. Kanban makes the flow of work visible and limits overload so a system becomes calmer and more predictable. | 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. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 30-120 min | Ongoing | 15-30 min |
Participantsdifferent | 2-6 | 2-12 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Observation Notes, Improvement Ideas | Kanban board, WIP policies, Flow metrics | Root cause notes, Countermeasures |
Tagsno overlap | LeanObservationProcessOperations | FlowVisual managementDelivery | Root causeIncidentLeanProblem solving |
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