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| Criterion |  Architecture Architecture Decision Record |  Growth A/B Testing |  Engineering Goal Question Metric |
|---|---|---|---|
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. | 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. | Helps clarify technical problems, hypotheses, and next steps in concrete terms. It breaks a technical problem into testable parts. The result is captured as a GQM table and metric briefs. |
Complexitydifferent | Low | High | Medium |
Timedifferent | 15-45 min | 1-4 Wochen | 90-180 min |
Participantsdifferent | 1-3 | 1-6 | 3-6 |
Formatdifferent | Async | Async | Workshop |
Outputdifferent | ADR File, Decision Log, Rationale | Experiment results, Decision log, Learning summary | GQM Table, Metric Profiles |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | ExperimentsGrowthAnalyticsValidation | MetricsMeasurementEngineeringAlignment |
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