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| Criterion |  Product Discovery Working Backwards |  Operations Fishbone Diagram |  Operations 5 Whys |  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 single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | 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 | Low | High |
Timedifferent | 4-8 h, mehrere Iterationen | 30-60 min | 15-30 min | 2-6 h |
Participantsdifferent | 2-6 | 2-8 | 2-6 | 3-10 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Future Press Release, FAQ, Vision Statement | Fishbone Diagram, Cause Categories, Investigation Backlog | Root cause notes, Countermeasures | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | VisionNarrativeAlignment | Root causeQualityOperations | Root causeIncidentLeanProblem solving | RiskQualityOperationsRoot cause |