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| Criterion |  Decision Making Pre-Mortem |  UX Research Tree Testing |  UX Research First-click 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 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. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 20–45 min | 1-2 Tage | 1-2 Tage |
Participantsdifferent | Small cross-functional group | Based on research question | 10-30 |
Formatdifferent | Workshop | Async | Async |
Outputdifferent | Risk list, Mitigation plan, Assumption log | Findability Metrics, Path Analysis, Revised IA | Click Heatmap, Success Rate, Design Recommendations |
Tagsno overlap | RiskDecisionFailurePlanning | Information architectureNavigationFindability | UXNavigationFindabilityValidation |
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