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| Criterion |  Product Discovery Working Backwards |  Operations Failure Mode and Effects Analysis |  Operations Gemba Walk |  Operations Fishbone Diagram |
|---|---|---|---|---|
Purposedifferent | When the target state and benefit need to be clear first, it thinks backward from the desired outcome into the product logic. It sharpens vision, objections, and value proposition before elaboration. | 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. | 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 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. |
Complexitydifferent | Medium | High | Low | Low |
Timedifferent | 4-8 h, mehrere Iterationen | 2-6 h | 30-120 min | 30-60 min |
Participantsdifferent | 2-6 | 3-10 | 2-6 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Future Press Release, FAQ, Vision Statement | FMEA Table, Risk Priority, Mitigation Actions | Observation Notes, Improvement Ideas | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | VisionNarrativeAlignment | RiskQualityOperationsRoot cause | LeanObservationProcessOperations | Root causeQualityOperations |