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| Criterion |  UX Research Tree Testing |  UX Research First-click Testing |  Decision Making Red Teaming |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
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. | 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. | For strategic decisions with high reach, agreement and gut feeling are often not enough. Red teaming brings deliberate opposition into the situation and tests where a plan breaks under real counterarguments. | 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 | Low | High | Low |
Timedifferent | 1-2 Tage | 1-2 Tage | 1-4 h | 45-90 min |
Participantsdifferent | Based on research question | 10-30 | 3-8 | 2-8 |
Formatdifferent | Async | Async | Workshop | Workshop + async |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | Click Heatmap, Success Rate, Design Recommendations | Challenge Findings, Risk Register, Mitigation Plan | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | Information architectureNavigationFindability | UXNavigationFindabilityValidation | RiskDecisionSensemaking | AssumptionsRiskDecisionDiscovery |