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Criterion
Paper illustration for Evaporating Cloud.
Systems Thinking
Evaporating Cloud
Paper illustration for Failure Scenario Analysis.
Engineering
Failure Scenario Analysis
Paper illustration of an assumption matrix with prioritized test cards
Decision Making
Assumption Surfacing
Purposedifferent
The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict.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.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.
Complexitydifferent
MediumMediumLow
Timedifferent
60-120 min1-3 h45-90 min
Participantsdifferent
2-83-82-8
Formatdifferent
WorkshopWorkshopWorkshop + async
Outputdifferent
Conflict Cloud, Assumption List, Breakthrough Ideas, Next ExperimentsFailure Scenarios, Risk Notes, Control Gaps, Test and Response ActionsAssumption List, Critical Assumptions, Learning Plan
Tagsno overlap
Theory of ConstraintsAssumptionsSystems thinking
FailureResilienceRisk
AssumptionsRiskDecisionDiscovery
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Methods with strong topical overlap with the current selection, not yet in the comparison.

A hypothetical failure makes concrete risks, signals, and fitting mitigations visible.
Decision Making
Pre-Mortem
Paper illustration of a calm four-quadrant Assumption Map with hypothesis cards and emphasis on important assumptions with little evidence.
Product Discovery
Assumption Mapping
Paper illustration of DIBB with its method-specific working model.
Product Strategy
DIBB
Paper illustration for Future Reality Tree.
Systems Thinking
Future Reality Tree