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| Criterion |  Operations Family Tree Analysis |  Delivery Value Stream Mapping |  Operations Fault Tree Analysis |
|---|---|---|---|
Purposedifferent | For a series of incidents with a similar pattern, the method arranges individual events as branches of a common origin. It makes visible which conditions keep recurring. | 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. |
Complexitydifferent | Medium | Medium | High |
Timedifferent | 2-4 h | 1-3 h | 2-6 h |
Participantsdifferent | 2-6 | 4-10 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Family Tree Diagram, Pattern Notes, Systemic Measures | Current-state map, Future-state map, Bottleneck list | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions |
Tagsno overlap | Root causePatternsIncidentSystemic | LeanFlowWasteDelivery | RiskRoot causeSafety |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
