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| Criterion |  Delivery Value Stream Mapping |  Operations 8D Problem Solving |  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 an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | 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 | High | High |
Timedifferent | 1-3 h | 1-6 Wochen | 2-6 h |
Participantsdifferent | 4-10 | 4-10 | 3-8 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Current-state map, Future-state map, Bottleneck list | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Current Reality Tree, Core Problems, Intervention Ideas |
Tagsno overlap | LeanFlowWasteDelivery | QualityProblem solvingRoot cause | Systems thinkingRoot causeConstraintsCausality |
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