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| Criterion |  Agile Bucket System |  Systems Thinking Evaporating Cloud |  Decision Making Wideband Delphi |  Systems Thinking Future Reality Tree |
|---|---|---|---|---|
Purposedifferent | When a large batch of work needs a fast, rough estimate, it sorts items into predefined size buckets. It sorts work by value, risk, and delivery ability. The result is captured as a Bucketed Backlog, Relative Estimates, and Split Candidates. | The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. | A single opinion rarely holds up for planning when the future is genuinely uncertain. It separates options, evaluation criteria, and open risks. The result is captured as an Estimate Range, Assumption Log, and Expert Consensus Notes. | 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. |
Complexitydifferent | Medium | Medium | High | High |
Timedifferent | 30-90 min | 60-120 min | 1-4 h or multiple rounds | 2-4 h |
Participantsdifferent | 3-12 | 2-8 | 4-12 Experten | 3-8 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop |
Outputdifferent | Bucketed Backlog, Relative Estimates, Split Candidates | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments | Estimate Range, Assumption Log, Expert Consensus Notes | Future Reality Tree, Negative Branches, Assumption List, Improved Injections |
Tagsno overlap | EstimationBacklogRelative sizing | Theory of ConstraintsAssumptionsSystems thinking | EstimationExpertsForecasting | Theory of ConstraintsSystems thinkingChange |