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| Criterion |  Growth A/B Testing |  Architecture Architecture Decision Record |  Product Discovery MVP Test Matrix |
|---|---|---|---|
Purposedifferent | 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. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | 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 | High | Low | Medium |
Timedifferent | 1-4 Wochen | 15-45 min | 45-75 min |
Participantsdifferent | 1-6 | 1-3 | 2-8 |
Formatdifferent | Async | Async | Workshop |
Outputdifferent | Experiment results, Decision log, Learning summary | ADR File, Decision Log, Rationale | Test Matrix, Test Plan |
Tagsno overlap | ExperimentsGrowthAnalyticsValidation | ArchitectureRationaleDocumentationGovernance | ExperimentsValidationDiscoveryOptions |
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