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| Criterion |  Growth A/B Testing |  Product Discovery Smoke Test |  Architecture Architecture Decision Record |
|---|---|---|---|
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. | When demand only needs to be roughly verified, it tests interest with minimal effort. It measures whether people would take a next step at all. | 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. |
Complexitydifferent | High | Low | Low |
Timedifferent | 1-4 Wochen | 1-5 Tage | 15-45 min |
Participantsdifferent | 1-6 | Nutzertraffic | 1-3 |
Formatsame | Async | Async | Async |
Outputdifferent | Experiment results, Decision log, Learning summary | Interest Metrics, Conversion Signal, Learning Note | ADR File, Decision Log, Rationale |
Tagsno overlap | ExperimentsGrowthAnalyticsValidation | ValidationExperimentsDemandGrowth | ArchitectureRationaleDocumentationGovernance |
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