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| Criterion |  Operations Gemba Walk |  DevOps ChatOps |  Operations Fishbone Diagram |  Operations Root Cause 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. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 30-120 min | Ongoing | 30-60 min | 1-4 h |
Participantsdifferent | 2-6 | 2-20 | 2-8 | 3-8 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Observation Notes, Improvement Ideas | Chat Transcript, Action Log, Automations | Fishbone Diagram, Cause Categories, Investigation Backlog | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | LeanObservationProcessOperations | CollaborationEngineeringIncident | Root causeQualityOperations | Root causeProblem solvingQualityIncident |