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Selected:Architecture Decision RecordPirate Metrics AARRRA/B TestingARID (Active Reviews for Intermediate Designs)
| Criterion |  Architecture Architecture Decision Record |  Growth Pirate Metrics AARRR |  Growth A/B Testing |  Architecture ARID (Active Reviews for Intermediate Designs) |
|---|---|---|---|---|
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 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. | ARID examines how well developers can work with a technical design. It focuses on a part of the system that can still be revised, between the architecture overview and the detailed specification. |
Complexitydifferent | Low | Medium | High | Medium |
Timedifferent | 15-45 min | 1-2 h Setup, laufend | 1-4 Wochen | 2–4 h review as a planning range; preparation and evaluation additional |
Participantsdifferent | 1-3 | 2-8 | 1-6 | Designers, developers as users, and facilitation |
Formatdifferent | Async | Workshop + async | Async | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | AARRR funnel, Metric baseline, Experiment backlog | Experiment results, Decision log, Learning summary | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | GrowthMetricsExperiments | ExperimentsGrowthAnalyticsValidation | ArchitectureEngineeringFeedbackValidationTasks |