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| Criterion |  Operations A3 Problem Solving |  Growth A/B Testing |  Business Strategy 5-Minuten VC-Check |  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 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. | The 5-Minute VC Check clarifies opportunities and strategic options at the earliest idea stage. It compares problem quality, customer willingness to pay, alternatives, differentiation, and market potential, and captures the result as a VC-check note, go/sharpen/park decision, and risk list. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Medium | High | Low | Medium |
Timedifferent | 45-90 min | 1-4 Wochen | 5-15 min | 45-60 min |
Participantsdifferent | 2-5 | 1-6 | 1-5 | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Experiment results, Decision log, Learning summary | VC-check note, Go/sharpen/park decision, Risk and assumption list, Next validation step | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | LeanProblem solvingCoachingOperations | ExperimentsGrowthAnalyticsValidation | StartupValidationCompetition | AssumptionsRiskExperimentsValidation |