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| Criterion |  Agile Affinity Estimation |  Decision Making Force Field Analysis |  Systems Thinking Future Reality Tree |  Agile Bucket System |
|---|---|---|---|---|
Purposedifferent | When many tasks need to be classified quickly, it sorts them by perceived effort and similarity. It reduces the effort of fine-grained estimation for large volumes. | In change initiatives, supporting and restraining forces sit at the table at the same time. Force Field Analysis makes these tensions explicit and shows where change can be pushed forward by strengthening or relieving. | 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 | Low | High | Medium |
Timedifferent | 30-90 min | 45-90 min | 2-4 h | 30-90 min |
Participantsdifferent | 3-12 | 3-12 | 3-8 | 3-12 |
Formatsame | Workshop | Workshop | Workshop | Workshop |
Outputdifferent | Affinity Size Map, Grouped Estimates, Unclear Items | Force Field Map, Change Levers, Risk Notes | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Bucketed Backlog, Relative Estimates, Split Candidates |
Tagsno overlap | EstimationBacklogRelative sizing | ChangeDecisionStrategy | Theory of ConstraintsSystems thinkingChange | EstimationBacklogRelative sizing |