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| Criterion |  Delivery Value Stream Mapping |  Systems Thinking Current Reality Tree |  Operations Family Tree Analysis |
|---|---|---|---|
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. | A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. | 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. |
Complexitydifferent | Medium | High | Medium |
Timedifferent | 1-3 h | 2-6 h | 2-4 h |
Participantsdifferent | 4-10 | 3-8 | 2-6 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Current-state map, Future-state map, Bottleneck list | Current Reality Tree, Core Problems, Intervention Ideas | Family Tree Diagram, Pattern Notes, Systemic Measures |
Tagsno overlap | LeanFlowWasteDelivery | Systems thinkingRoot causeConstraintsCausality | Root causePatternsIncidentSystemic |
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