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| Criterion |  UX Research Surveys |  Product Discovery Assumption Mapping |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Growth A/B Testing |
|---|---|---|---|---|
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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | ATAM helps teams weigh architecture decisions when quality goals compete. The team considers business goals, stakeholder expectations, and technical decisions together. The evaluation shows which risks need further investigation. | 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. |
Complexitydifferent | Medium | Medium | High | High |
Timedifferent | 3-14 Tage | 45-60 min | Several meetings plus preparation and analysis; total effort depends on scope | 1-4 Wochen |
Participantsdifferent | 50+ | 2-8 | Evaluation team, architects, and relevant stakeholders | 1-6 |
Formatdifferent | Async | Workshop + async | Workshop + async | Async |
Outputdifferent | Survey Results, Charts, Segment Insights | Assumption map, Test backlog, Risk ranking | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Experiment results, Decision log, Learning summary |
Tagsno overlap | QuantitativeResearchValidation | AssumptionsRiskExperimentsValidation | ArchitectureQualityRiskTradeoffsStakeholders | ExperimentsGrowthAnalyticsValidation |