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| Criterion |  UX Research Surveys |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Decision Making Assumption Surfacing |
|---|---|---|---|
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. | 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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. |
Complexitydifferent | Medium | High | Low |
Timedifferent | 3-14 Tage | Several meetings plus preparation and analysis; total effort depends on scope | 45-90 min |
Participantsdifferent | 50+ | Evaluation team, architects, and relevant stakeholders | 2-8 |
Formatdifferent | Async | Workshop + async | Workshop + async |
Outputdifferent | Survey Results, Charts, Segment Insights | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | QuantitativeResearchValidation | ArchitectureQualityRiskTradeoffsStakeholders | AssumptionsRiskDecisionDiscovery |
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