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| Criterion |  Operations A3 Problem Solving |  Growth Funnel Analysis |  Growth A/B Testing |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
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 many visitors or users drop off along the way, the reason behind the number often stays hidden. Funnel Analysis exposes these transitions and makes visible exactly where the path collapses. | When two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Medium | Medium | High | Medium |
Timedifferent | 45-90 min | 1-3 h | 1-4 Wochen | 45-60 min |
Participantsdifferent | 2-5 | 1-5 | 1-6 | 2-8 |
Formatdifferent | Workshop + async | Async | Async | Workshop + async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Funnel report, Drop-off analysis, Optimization hypotheses | Experiment results, Decision log, Learning summary | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | LeanProblem solvingCoachingOperations | AnalyticsConversionGrowth | ExperimentsGrowthAnalyticsValidation | AssumptionsRiskExperimentsValidation |