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| Criterion |  Decision Making Assumption Surfacing |  UX Research Affinity Diagramming |  Domain Modeling EventStorming |
|---|---|---|---|
Purposedifferent | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | When research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. | 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. |
Complexitydifferent | Low | Low | Medium |
Timedifferent | 45-90 min | 45–90 min | 2-8 h |
Participantsdifferent | 2-8 | 3-10 | 5-12 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Assumption List, Critical Assumptions, Learning Plan | Theme clusters, Insight statements, Opportunity areas | Event Timeline, Ubiquitous Language, Boundaries, Open Questions |
Tagsno overlap | AssumptionsRiskDecisionDiscovery | SynthesisQualitativeRoot cause | Domain-Driven DesignEventsDiscoveryWorkshop |
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