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| Criterion |  Operations Barrier Analysis |  Delivery Value Stream Mapping |  Operations Family Tree Analysis |
|---|---|---|---|
Purposedifferent | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | 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 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. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 2-4 h | 1-3 h | 2-4 h |
Participantsdifferent | 2-6 | 4-10 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Current-state map, Future-state map, Bottleneck list | Family Tree Diagram, Pattern Notes, Systemic Measures |
Tagsno overlap | Root causeSafetyIncident | LeanFlowWasteDelivery | Root causePatternsIncidentSystemic |
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