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| Criterion |  Operations 5 Whys |  Growth A/B Testing |  Product Discovery Learning Card |  Product Discovery MVP Test Matrix |
|---|---|---|---|---|
Purposedifferent | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | 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 Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | 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. |
Complexitydifferent | Low | High | Low | Medium |
Timedifferent | 15-30 min | 1-4 Wochen | 25-40 min | 45-75 min |
Participantsdifferent | 2-6 | 1-6 | 1-5 | 2-8 |
Formatdifferent | Workshop | Async | Workshop + async | Workshop |
Outputdifferent | Root cause notes, Countermeasures | Experiment results, Decision log, Learning summary | Learning Card with evidence and next action | Test Matrix, Test Plan |
Tagsno overlap | Root causeIncidentLeanProblem solving | ExperimentsGrowthAnalyticsValidation | ExperimentsValidationDiscoveryLearning | ExperimentsValidationDiscoveryOptions |