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| Criterion |  Product Discovery Working Backwards |  Operations Fault Tree Analysis |  Agile ROAM Board |  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. | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. | When work needs to move between different states or columns, it makes that movement and its handoffs legible. It sorts work by value, risk, and delivery ability. The result is captured as a ROAM Board and an Owner List. | 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 | High | Low | High |
Timedifferent | 4-8 h, mehrere Iterationen | 2-6 h | 20-40 min initial, dann laufend | 2-6 h |
Participantsdifferent | 2-6 | 3-8 | 3-15 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Future Press Release, FAQ, Vision Statement | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | ROAM Board, Owner List | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | VisionNarrativeAlignment | RiskRoot causeSafety | RiskAgileTrackingAlignment | RiskQualityOperationsRoot cause |