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| Criterion |  UX Research First-click Testing |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Architecture arc42 |  Architecture Risk Storming |
|---|---|---|---|---|
Purposedifferent | When users immediately turn the wrong way on a screen or wireframe, first click testing checks initial orientation at high speed. The first click shows early whether expectation, labeling, and wayfinding fit together. | 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. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. | 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 | Low | High | Low | Low |
Timedifferent | 1-2 Tage | Several meetings plus preparation and analysis; total effort depends on scope | 1-2 Tage | 60-90 min |
Participantsdifferent | 10-30 | Evaluation team, architects, and relevant stakeholders | 1-4 | 4-12 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Click Heatmap, Success Rate, Design Recommendations | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Architecture Document, Context View, Runtime View, Deployment View | Annotated Diagram, Prioritized Risk List, Action Backlog |
Tagsno overlap | UXNavigationFindabilityValidation | ArchitectureQualityRiskTradeoffsStakeholders | ArchitectureDocumentationCommunication | RiskArchitectureWorkshopValidation |