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| Criterion |  UX Research Affinity Diagramming |  Growth A/B Testing |  Architecture Architecture Decision Record |  Product Discovery Smoke Test |
|---|---|---|---|---|
Purposedifferent | When research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. | 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. | 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 | High | Low | Low |
Timedifferent | 45–90 min | 1-4 Wochen | 15-45 min | 1-5 Tage |
Participantsdifferent | 3-10 | 1-6 | 1-3 | Nutzertraffic |
Formatdifferent | Workshop | Async | Async | Async |
Outputdifferent | Theme clusters, Insight statements, Opportunity areas | Experiment results, Decision log, Learning summary | ADR File, Decision Log, Rationale | Interest Metrics, Conversion Signal, Learning Note |
Tagsno overlap | SynthesisQualitativeRoot cause | ExperimentsGrowthAnalyticsValidation | ArchitectureRationaleDocumentationGovernance | ValidationExperimentsDemandGrowth |