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| Criterion |  Operations 8D Problem Solving |  Domain Modeling EventStorming |  UX Research Empathy Mapping |
|---|---|---|---|
Purposedifferent | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | 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. |
Complexitydifferent | High | Medium | Low |
Timedifferent | 1-6 Wochen | 2-8 h | 30–60 min |
Participantsdifferent | 4-10 | 5-12 | 4-8 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Event Timeline, Ubiquitous Language, Boundaries, Open Questions | Empathy Map, Assumptions List, Research Gaps |
Tagsno overlap | QualityProblem solvingRoot cause | Domain-Driven DesignEventsDiscoveryWorkshop | SynthesisQualitativeWorkshop |
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