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| Criterion |  Operations A3 Problem Solving |  Product Discovery MVP Test Matrix |  Growth A/B Testing |  Product Discovery Riskiest Assumption Test |
|---|---|---|---|---|
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 several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. | 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 an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. |
Complexitydifferent | Medium | Medium | High | Medium |
Timedifferent | 45-90 min | 45-75 min | 1-4 Wochen | 1-2 Wochen pro Iteration |
Participantsdifferent | 2-5 | 2-8 | 1-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop + async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Test Matrix, Test Plan | Experiment results, Decision log, Learning summary | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | LeanProblem solvingCoachingOperations | ExperimentsValidationDiscoveryOptions | ExperimentsGrowthAnalyticsValidation | ExperimentsValidationDiscoveryAssumptions |