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| Criterion |  Decision Making PERT Estimation |  Engineering Failure Scenario Analysis |  Product Strategy DIBB |  Decision Making Pre-Mortem |
|---|---|---|---|---|
Purposedifferent | On complex initiatives, a plain average tends to understate just how uncertain the outcome really is. It separates options, evaluation criteria, and open risks. The result is captured as a PERT Estimate, Expected Value, and Risk Notes. | 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. | DIBB helps clarify target groups, value, goals, and priorities by making the logic behind a decision explicit. It captures results as a DIBB document, belief list, bet list, and learning report. | 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 | Low | Low |
Timedifferent | 15-45 min | 1-3 h | 1-2 h | 20–45 min |
Participantsdifferent | 1-8 | 3-8 | 2-8 | Small cross-functional group |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | PERT Estimate, Expected Value, Risk Notes | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | DIBB document, Belief list, Bet list, Learning report | Risk list, Mitigation plan, Assumption log |
Tagsno overlap | EstimationUncertaintyRisk | FailureResilienceRisk | StrategyDecisionAssumptionsHypothesis | RiskDecisionFailurePlanning |