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| Criterion |  UX Research Affinity Diagramming |  Domain Modeling EventStorming |  UX Research Empathy Mapping |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 45–90 min | 2-8 h | 30–60 min | 15-30 min |
Participantsdifferent | 3-10 | 5-12 | 4-8 | 2-6 |
Formatsame | Workshop | Workshop | Workshop | Workshop |
Outputdifferent | Theme clusters, Insight statements, Opportunity areas | Event Timeline, Ubiquitous Language, Boundaries, Open Questions | Empathy Map, Assumptions List, Research Gaps | Root cause notes, Countermeasures |
Tagsno overlap | SynthesisQualitativeRoot cause | Domain-Driven DesignEventsDiscoveryWorkshop | SynthesisQualitativeWorkshop | Root causeIncidentLeanProblem solving |