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| Criterion |  Architecture Architecture Decision Record |  Growth Pirate Metrics AARRR |  Product Discovery Smoke Test |
|---|---|---|---|
Purposedifferent | 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. | For products with complex usage paths, overall growth alone is too coarse to reveal bottlenecks. Pirate Metrics breaks the relationship with the product into consecutive stages and shows where the funnel actually leaks. | 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. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 15-45 min | 1-2 h Setup, laufend | 1-5 Tage |
Participantsdifferent | 1-3 | 2-8 | Nutzertraffic |
Formatdifferent | Async | Workshop + async | Async |
Outputdifferent | ADR File, Decision Log, Rationale | AARRR funnel, Metric baseline, Experiment backlog | Interest Metrics, Conversion Signal, Learning Note |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | GrowthMetricsExperiments | ValidationExperimentsDemandGrowth |
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