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| Criterion |  Systems Thinking Current Reality Tree |  Agile Affinity Estimation |  Agile Bucket System |
|---|---|---|---|
Purposedifferent | 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. | 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. | 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 | High | Medium | Medium |
Timedifferent | 2-6 h | 30-90 min | 30-90 min |
Participantsdifferent | 3-8 | 3-12 | 3-12 |
Formatsame | Workshop | Workshop | Workshop |
Outputdifferent | Current Reality Tree, Core Problems, Intervention Ideas | Affinity Size Map, Grouped Estimates, Unclear Items | Bucketed Backlog, Relative Estimates, Split Candidates |
Tagsno overlap | Systems thinkingRoot causeConstraintsCausality | EstimationBacklogRelative sizing | EstimationBacklogRelative sizing |
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