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| Criterion |  Domain Modeling EventStorming |  Operations Root Cause Analysis |  UX Research Empathy Mapping |  UX Research Affinity Diagramming |
|---|---|---|---|---|
Purposedifferent | 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 problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | 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 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. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 2-8 h | 1-4 h | 30–60 min | 45–90 min |
Participantsdifferent | 5-12 | 3-8 | 4-8 | 3-10 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Event Timeline, Ubiquitous Language, Boundaries, Open Questions | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Empathy Map, Assumptions List, Research Gaps | Theme clusters, Insight statements, Opportunity areas |
Tagsno overlap | Domain-Driven DesignEventsDiscoveryWorkshop | Root causeProblem solvingQualityIncident | SynthesisQualitativeWorkshop | SynthesisQualitativeRoot cause |