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| Criterion |  Innovation Double Diamond |  Engineering Failure Scenario Analysis |  Decision Making Decision Tree |  Decision Making Pre-Mortem |
|---|---|---|---|---|
Purposedifferent | For complex problems with a fuzzy situation, the method cleanly separates search space and decision. It first creates breadth in understanding and then focus in elaboration. This brings open questions, problem definition, and solution path into a traceable movement. | 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. | 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 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. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | Wochen bis Monate | 1-3 h | 30-90 min | 20–45 min |
Participantsdifferent | 3-12 | 3-8 | 1-6 | Small cross-functional group |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Decision Tree, Option Map, Assumption List | Risk list, Mitigation plan, Assumption log |
Tagsno overlap | ProcessDivergenceInnovation | FailureResilienceRisk | DecisionTreeOptions | RiskDecisionFailurePlanning |