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| Criterion |  Product Discovery Working Backwards |  Operations Fault Tree Analysis |  Operations Causal Factor 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. | For an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. |
Complexitydifferent | Medium | High | High |
Timedifferent | 4-8 h, mehrere Iterationen | 2-6 h | 2-6 h |
Participantsdifferent | 2-6 | 3-8 | 3-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Future Press Release, FAQ, Vision Statement | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions |
Tagsno overlap | VisionNarrativeAlignment | RiskRoot causeSafety | CausalityIncidentRoot causeTimeline |
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