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| Criterion |  Operations Bottleneck Analysis |  Systems Thinking Future Reality Tree |  Systems Thinking Evaporating Cloud |  Systems Thinking Current Reality Tree |
|---|---|---|---|---|
Purposedifferent | 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 Future Reality Tree shows how desired actions are meant to lead to a better system state. The method checks whether a path of change holds together logically before time flows into implementation. | The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. | 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 | Medium | High |
Timedifferent | 1-3 h | 2-4 h | 60-120 min | 2-6 h |
Participantsdifferent | 3-8 | 3-8 | 2-8 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Bottleneck Map, Flow Metrics, Improvement Options, Follow-up Measures | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments | Current Reality Tree, Core Problems, Intervention Ideas |
Tagsno overlap | FlowMeasurementConstraints | Theory of ConstraintsSystems thinkingChange | Theory of ConstraintsAssumptionsSystems thinking | Systems thinkingRoot causeConstraintsCausality |