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| Criterion |  Operations Gemba Walk |  Operations Failure Mode and Effects Analysis |  Architecture Risk Storming |
|---|---|---|---|
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 a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | Helps clarify architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog. |
Complexitydifferent | Low | High | Low |
Timedifferent | 30-120 min | 2-6 h | 60-90 min |
Participantsdifferent | 2-6 | 3-10 | 4-12 |
Formatsame | Workshop | Workshop | Workshop |
Outputdifferent | Observation Notes, Improvement Ideas | FMEA Table, Risk Priority, Mitigation Actions | Annotated Diagram, Prioritized Risk List, Action Backlog |
Tagsno overlap | LeanObservationProcessOperations | RiskQualityOperationsRoot cause | RiskArchitectureWorkshopValidation |
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