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| Criterion |  UX Research Diary Study |  Decision Making Pre-Mortem |  Knowledge Modeling Knowledge Mapping |  Engineering Failure Scenario Analysis |
|---|---|---|---|---|
Purposedifferent | When experiences build up over days or weeks and a single session cannot capture them, Diary Study records the course of everyday life. Recurring triggers, moods, and habits become visible this way, beyond the sharpness of memory. | 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. | Knowledge Mapping makes knowledge, gaps, and transfer paths visible across a field. It fits when expertise should not just exist but also be findable and transferable. | 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 | Medium | Low | Medium | Medium |
Timedifferent | 1-4 Wochen | 20–45 min | 1-3 h | 1-3 h |
Participantsdifferent | 5-20 | Small cross-functional group | 3-12 | 3-8 |
Formatdifferent | Async | Workshop | Workshop | Workshop |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Risk list, Mitigation plan, Assumption log | Knowledge Map, Critical Knowledge Areas, Transfer Plan | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions |
Tagsno overlap | UX researchTrackingBehavior | RiskDecisionFailurePlanning | KnowledgeMappingRisk | FailureResilienceRisk |