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| Criterion |  Operations Fault Tree Analysis |  Delivery Value Stream Mapping |  Operations Fishbone Diagram |
|---|---|---|---|
Purposedifferent | 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 delivery work dissolves into wait times, handoffs, and hidden effort, Value Stream Mapping makes the actual flow visible. The method exposes bottlenecks, idle time, and feedback loops so lead time and improvement levers become tangible. | 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 | High | Medium | Low |
Timedifferent | 2-6 h | 1-3 h | 30-60 min |
Participantsdifferent | 3-8 | 4-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Current-state map, Future-state map, Bottleneck list | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | RiskRoot causeSafety | LeanFlowWasteDelivery | Root causeQualityOperations |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
