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| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  UX Research Card Sorting |  UX Research First-click Testing |
|---|---|---|---|
Purposedifferent | 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 content only makes sense internally and users can't find the structure again, card sorting exposes their mental order. Terms, groups, and naming are then aligned with the target group's expectations. | 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. |
Complexitydifferent | High | Low | Low |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 20-45 min | 1-2 Tage |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | Based on research question | 10-30 |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Content groups, Label set, IA hypotheses | Click Heatmap, Success Rate, Design Recommendations |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | Information architectureNavigationStructure | UXNavigationFindabilityValidation |
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