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| Criterion |  UX Research First-click Testing |  Decision Making Pre-Mortem |  Decision Making Decision Tree |  Engineering Failure Scenario Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | For decisions with follow-on paths and dependencies, a linear comparison is often not enough. A Decision Tree shows how options branch under conditions and which consequences hang on each branch. | In critical processes, it is not enough to plan only for the normal case. Failure Scenario Analysis looks at the path into failure and shows which failures, chains, and control gaps cause the most damage. |
Complexitydifferent | Low | Low | Medium | Medium |
Timedifferent | 1-2 Tage | 20–45 min | 30-90 min | 1-3 h |
Participantsdifferent | 10-30 | Small cross-functional group | 1-6 | 3-8 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop |
Outputdifferent | Click Heatmap, Success Rate, Design Recommendations | Risk list, Mitigation plan, Assumption log | Decision Tree, Option Map, Assumption List | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions |
Tagsno overlap | UXNavigationFindabilityValidation | RiskDecisionFailurePlanning | DecisionTreeOptions | FailureResilienceRisk |