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