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| Criterion |  Delivery Value Stream Mapping |  Operations Waste Analysis |  Systems Thinking Current Reality Tree |
|---|---|---|---|
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 process that keeps people busy but creates little value, the method exposes waste. It directs attention to unnecessary movement, waiting times, rework, and overdelivery. | 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. |
Complexitydifferent | Medium | Low | High |
Timedifferent | 1-3 h | 45-120 min | 2-6 h |
Participantsdifferent | 4-10 | 2-8 | 3-8 |
Formatsame | Workshop | Workshop | Workshop |
Outputdifferent | Current-state map, Future-state map, Bottleneck list | Waste Map, Prioritized Waste, Improvement Backlog | Current Reality Tree, Core Problems, Intervention Ideas |
Tagsno overlap | LeanFlowWasteDelivery | WasteLeanProcess improvement | Systems thinkingRoot causeConstraintsCausality |
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