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| Criterion |  Operations A3 Problem Solving |  Innovation Lean Startup |  Domain Modeling EventStorming |  Product Discovery Concierge MVP |
|---|---|---|---|---|
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. | When an idea can first fail or grow through genuine hands-on support, it relies on manual work instead of automation. It shows whether user value holds up even under manual execution. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 45-90 min | Wochen bis Monate je Lernzyklus | 2-8 h | 1-4 Wochen |
Participantsdifferent | 2-5 | 2-8 | 5-12 | 3-10 Kunden |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Event Timeline, Ubiquitous Language, Boundaries, Open Questions | Concierge Learnings, Service Blueprint, MVP Risks |
Tagsno overlap | LeanProblem solvingCoachingOperations | LeanStartupValidationMVP | Domain-Driven DesignEventsDiscoveryWorkshop | MVPValidationServiceDiscovery |