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| Criterion |  Product Discovery Opportunity Scoring |  UX Research Empathy Mapping |  Product Strategy Impact Mapping |  Domain Modeling EventStorming |
|---|---|---|---|---|
Purposedifferent | When opportunities need ranking by their effect, it makes importance and satisfaction directly comparable. It separates problem, assumption, solution, and evidence. The result is captured as an opportunity-score table and top outcomes. | When a lot is assumed about a target group but little is seen jointly, empathy mapping makes knowledge and gaps directly comparable. The picture also shows which assumptions hold up and where evidence is missing. | When a goal needs to be connected to several possible paths, it shows chains of impact instead of feature lists. It connects business goal, behavior change, and measures. | 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 | Medium | Low | Medium | Medium |
Timedifferent | 60-120 min | 30–60 min | 45-90 min | 2-8 h |
Participantsdifferent | 3-6 | 4-8 | 3-8 | 5-12 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Opportunity Score Table, Top Outcomes | Empathy Map, Assumptions List, Research Gaps | Impact Map, Outcome Hypotheses, Delivery Options | Event Timeline, Ubiquitous Language, Boundaries, Open Questions |
Tagsno overlap | PrioritizationDiscoveryOutcomesNeeds | SynthesisQualitativeWorkshop | OutcomesStrategyBehaviorPlanning | Domain-Driven DesignEventsDiscoveryWorkshop |