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| Criterion |  Delivery Value Stream Mapping |  Operations Fault Tree Analysis |  Operations Fishbone Diagram |
|---|---|---|---|
Purposedifferent | 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. | 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 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 | Medium | High | Low |
Timedifferent | 1-3 h | 2-6 h | 30-60 min |
Participantsdifferent | 4-10 | 3-8 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Current-state map, Future-state map, Bottleneck list | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | LeanFlowWasteDelivery | RiskRoot causeSafety | Root causeQualityOperations |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
