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| Criterion |  Operations A3 Problem Solving |  Innovation Lean Startup |  Domain Modeling EventStorming |
|---|---|---|---|
Purposedifferent | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. | 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. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 45-90 min | Wochen bis Monate je Lernzyklus | 2-8 h |
Participantsdifferent | 2-5 | 2-8 | 5-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Event Timeline, Ubiquitous Language, Boundaries, Open Questions |
Tagsno overlap | LeanProblem solvingCoachingOperations | LeanStartupValidationMVP | Domain-Driven DesignEventsDiscoveryWorkshop |
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