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Selected:Usability TestingATAM (Architecture Tradeoff Analysis Method)Architecture Decision RecordRisk Storming
| Criterion |  UX Research Usability Testing |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Architecture Architecture Decision Record |  Architecture Risk Storming |
|---|---|---|---|---|
Purposedifferent | When a product is built but people get stuck on tasks, usability testing shows the friction at concrete points. Observed use instead of self-report makes visible where orientation, understanding, or interaction breaks down. | 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. | 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. | Helps clarify architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog. |
Complexitydifferent | Medium | High | Low | Low |
Timedifferent | 1-2 h je Session | Several meetings plus preparation and analysis; total effort depends on scope | 15-45 min | 60-90 min |
Participantsdifferent | Based on research question | Evaluation team, architects, and relevant stakeholders | 1-3 | 4-12 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop |
Outputdifferent | Usability Issues, Severity List, Recommendations | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | ADR File, Decision Log, Rationale | Annotated Diagram, Prioritized Risk List, Action Backlog |
Tagsno overlap | ValidationUXPrototype | ArchitectureQualityRiskTradeoffsStakeholders | ArchitectureRationaleDocumentationGovernance | RiskArchitectureWorkshopValidation |