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| Criterion |  Operations A3 Problem Solving |  Product Discovery Assumption Mapping |  Innovation Lean Startup |
|---|---|---|---|
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. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 45-90 min | 45-60 min | Wochen bis Monate je Lernzyklus |
Participantsdifferent | 2-5 | 2-8 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Assumption map, Test backlog, Risk ranking | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision |
Tagsno overlap | LeanProblem solvingCoachingOperations | AssumptionsRiskExperimentsValidation | LeanStartupValidationMVP |
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