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| Criterion |  Operations Gemba Walk |  DevOps ChatOps |  Operations Root Cause Tree Analysis |
|---|---|---|---|
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. | For operational work in a distributed team, the method links communication with direct system control. It records decisions right where the signal, the context, and the execution come together. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 30-120 min | Ongoing | 1-3 h |
Participantsdifferent | 2-6 | 2-20 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Observation Notes, Improvement Ideas | Chat Transcript, Action Log, Automations | Cause Tree, Evidence Notes, Countermeasures |
Tagsno overlap | LeanObservationProcessOperations | CollaborationEngineeringIncident | Root causeTreeIncidentQuality |
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