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| Criterion |  Delivery Value Stream Mapping |  Systems Thinking Current Reality Tree |  Operations Bottleneck Analysis |  Systems Thinking Causal Loop Diagram |
|---|---|---|---|---|
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 flow that backs up at one point, the method looks for the capacity limit with the greatest leverage. It explains why extra effort elsewhere barely improves throughput. | A Causal Loop Diagram makes feedback, reinforcement, and balance in a system legible. It uncovers side effects and self-reinforcement that stay hidden in linear explanations. |
Complexitydifferent | Medium | High | Medium | Medium |
Timedifferent | 1-3 h | 2-6 h | 1-3 h | 1-3 h |
Participantsdifferent | 4-10 | 3-8 | 3-8 | 2-8 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop |
Outputdifferent | Current-state map, Future-state map, Bottleneck list | Current Reality Tree, Core Problems, Intervention Ideas | Bottleneck Map, Flow Metrics, Improvement Options, Follow-up Measures | Causal Loop Diagram, Feedback Notes, Leverage Points |
Tagsno overlap | LeanFlowWasteDelivery | Systems thinkingRoot causeConstraintsCausality | FlowMeasurementConstraints | FeedbackSystems thinkingCausalityDynamics |