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| Criterion |  UX Research Tree Testing |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Delivery RAID Log |  UX Research Card Sorting |
|---|---|---|---|---|
Purposedifferent | When a navigation exists but search paths still fail, tree testing checks findability without visual distraction. The method shows whether labels, levels, and paths really lead to the intended destination. | 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. | Helps clarify scope, sequence, and delivery flow in concrete terms. It makes work, boundaries, and order steerable. The result is captured as a RAID Log and a source for status reporting. | 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. |
Complexitydifferent | Medium | High | Low | Low |
Timedifferent | 1-2 Tage | Several meetings plus preparation and analysis; total effort depends on scope | 30 min Setup, dann laufend | 20-45 min |
Participantsdifferent | Based on research question | Evaluation team, architects, and relevant stakeholders | 1-3 maintaining, briefing for everyone | Based on research question |
Formatdifferent | Async | Workshop + async | Async | Workshop + async |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | RAID Log, Status Report Source | Content groups, Label set, IA hypotheses |
Tagsno overlap | Information architectureNavigationFindability | ArchitectureQualityRiskTradeoffsStakeholders | RiskTrackingStakeholdersGovernance | Information architectureNavigationStructure |