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| Criterion |  UX Design Storyboarding |  Decision Making Pre-Mortem |  Engineering Failure Scenario Analysis |
|---|---|---|---|
Purposedifferent | When a usage scenario needs to become understandable early, it condenses situations, context, and flow into a legible sequence. It helps check concept ideas before anything gets built. | 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. | 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 |
Timedifferent | 30-90 min | 20–45 min | 1-3 h |
Participantsdifferent | 1-8 | Small cross-functional group | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Storyboard, Concept Narrative, Testable Assumptions | Risk list, Mitigation plan, Assumption log | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions |
Tagsno overlap | VisualizationConceptsSequencePrototype | RiskDecisionFailurePlanning | FailureResilienceRisk |
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