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| Criterion |  Decision Making PERT Estimation |  Domain Modeling EventStorming |  Agile Bucket System |
|---|---|---|---|
Purposedifferent | On complex initiatives, a plain average tends to understate just how uncertain the outcome really is. It separates options, evaluation criteria, and open risks. The result is captured as a PERT Estimate, Expected Value, and Risk Notes. | When a domain consists of many events, rules, and states, it creates a shared modeling space for the team. It bundles language, flows, and boundaries before domain knowledge fragments into siloed views. | 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. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 15-45 min | 2-8 h | 30-90 min |
Participantsdifferent | 1-8 | 5-12 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | PERT Estimate, Expected Value, Risk Notes | Event Timeline, Ubiquitous Language, Boundaries, Open Questions | Bucketed Backlog, Relative Estimates, Split Candidates |
Tagsno overlap | EstimationUncertaintyRisk | Domain-Driven DesignEventsDiscoveryWorkshop | EstimationBacklogRelative sizing |
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