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Criterion
Paper illustration of an assumption matrix with prioritized test cards
Decision Making
Assumption Surfacing
Paper illustration for Evaporating Cloud.
Systems Thinking
Evaporating Cloud
A hypothetical failure makes concrete risks, signals, and fitting mitigations visible.
Decision Making
Pre-Mortem
Paper illustration for Failure Scenario Analysis.
Engineering
Failure Scenario Analysis
Purposedifferent
Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it.The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict.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
LowMediumLowMedium
Timedifferent
45-90 min60-120 min20–45 min1-3 h
Participantsdifferent
2-82-8Small cross-functional group3-8
Formatdifferent
Workshop + asyncWorkshopWorkshopWorkshop
Outputdifferent
Assumption List, Critical Assumptions, Learning PlanConflict Cloud, Assumption List, Breakthrough Ideas, Next ExperimentsRisk list, Mitigation plan, Assumption logFailure Scenarios, Risk Notes, Control Gaps, Test and Response Actions
Tagsno overlap
AssumptionsRiskDecisionDiscovery
Theory of ConstraintsAssumptionsSystems thinking
RiskDecisionFailurePlanning
FailureResilienceRisk
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