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| Criterion |  Growth A/B Testing |  Architecture Architecture Decision Record |  Architecture C4 Model |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
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. | The C4 Model makes a system legible across several resolution levels, from context down to code. It suits situations where different audiences need to understand the same architecture from different altitudes. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | High | Low | Low | Medium |
Timedifferent | 1-4 Wochen | 15-45 min | 1-4 h | 45-60 min |
Participantsdifferent | 1-6 | 1-3 | 1-5 | 2-8 |
Formatdifferent | Async | Async | Workshop + async | Workshop + async |
Outputdifferent | Experiment results, Decision log, Learning summary | ADR File, Decision Log, Rationale | Context Diagram, Container Diagram, Component Diagram | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | ExperimentsGrowthAnalyticsValidation | ArchitectureRationaleDocumentationGovernance | ArchitectureCommunicationVisualization | AssumptionsRiskExperimentsValidation |