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| Criterion |  Decision Making PERT Estimation |  Agile Affinity Estimation |  Domain Modeling EventStorming |
|---|---|---|---|
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 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 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. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 15-45 min | 30-90 min | 2-8 h |
Participantsdifferent | 1-8 | 3-12 | 5-12 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | PERT Estimate, Expected Value, Risk Notes | Affinity Size Map, Grouped Estimates, Unclear Items | Event Timeline, Ubiquitous Language, Boundaries, Open Questions |
Tagsno overlap | EstimationUncertaintyRisk | EstimationBacklogRelative sizing | Domain-Driven DesignEventsDiscoveryWorkshop |
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