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| Criterion |  UX Research Surveys |  Growth A/B Testing |  Architecture Architecture Decision Record |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
Purposedifferent | When a topic needs to be validated broadly and many people can answer the same question, surveys gather structured feedback in a scalable form. Answers become comparable and segmentable instead of remaining merely anecdotal. | 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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Medium | High | Low | Medium |
Timedifferent | 3-14 Tage | 1-4 Wochen | 15-45 min | 45-60 min |
Participantsdifferent | 50+ | 1-6 | 1-3 | 2-8 |
Formatdifferent | Async | Async | Async | Workshop + async |
Outputdifferent | Survey Results, Charts, Segment Insights | Experiment results, Decision log, Learning summary | ADR File, Decision Log, Rationale | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | QuantitativeResearchValidation | ExperimentsGrowthAnalyticsValidation | ArchitectureRationaleDocumentationGovernance | AssumptionsRiskExperimentsValidation |