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| Criterion |  Agile NoEstimates |  Systems Thinking Future Reality Tree |  Agile Bucket System |
|---|---|---|---|
Purposedifferent | When estimating slows a team down more than it helps, it shifts the focus to flow, small slices, and real lead time. It sorts work by value, risk, and delivery ability. The result is captured as Throughput Data, Flow Forecast, and Slicing Rules. | 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. | 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. |
Complexitydifferent | Medium | High | Medium |
Timedifferent | laufend | 2-4 h | 30-90 min |
Participantsdifferent | 2-12 | 3-8 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Throughput Data, Flow Forecast, Slicing Rules | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Bucketed Backlog, Relative Estimates, Split Candidates |
Tagsno overlap | EstimationForecastingFlow | Theory of ConstraintsSystems thinkingChange | EstimationBacklogRelative sizing |
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