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| Criterion |  Decision Making Pre-Mortem |  UX Research First-click Testing |  UX Research Tree Testing |
|---|---|---|---|
Purposedifferent | In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. | 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. | 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. |
Complexitydifferent | Low | Low | Medium |
Timedifferent | 20–45 min | 1-2 Tage | 1-2 Tage |
Participantsdifferent | Small cross-functional group | 10-30 | Based on research question |
Formatdifferent | Workshop | Async | Async |
Outputdifferent | Risk list, Mitigation plan, Assumption log | Click Heatmap, Success Rate, Design Recommendations | Findability Metrics, Path Analysis, Revised IA |
Tagsno overlap | RiskDecisionFailurePlanning | UXNavigationFindabilityValidation | Information architectureNavigationFindability |
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