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| Criterion |  Product Discovery Working Backwards |  Operations Fishbone Diagram |  Operations Kepner-Tregoe |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
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. | 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. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | 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. |
Complexitydifferent | Medium | Low | High | High |
Timedifferent | 4-8 h, mehrere Iterationen | 30-60 min | 2-8 h | 2-6 h |
Participantsdifferent | 2-6 | 2-8 | 2-8 | 3-10 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Future Press Release, FAQ, Vision Statement | Fishbone Diagram, Cause Categories, Investigation Backlog | Problem Analysis, Decision Analysis, Risk Plan | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | VisionNarrativeAlignment | Root causeQualityOperations | Problem solvingRoot causeDecisionOperations | RiskQualityOperationsRoot cause |