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Criterion
A hypothetical failure makes concrete risks, signals, and fitting mitigations visible.
Decision Making
Pre-Mortem
Paper illustration for Weekly Review.
Operations
Weekly Review
Paper illustration of an assumption matrix with prioritized test cards
Decision Making
Assumption Surfacing
Purposedifferent
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 a week with many open loops, the method creates distance from operational noise. It organizes commitments, calendar, and projects so the next week becomes workable.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.
Complexitysame
LowLowLow
Timedifferent
20–45 min30-60 min45-90 min
Participantsdifferent
Small cross-functional group12-8
Formatdifferent
WorkshopAsyncWorkshop + async
Outputdifferent
Risk list, Mitigation plan, Assumption logUpdated Task System, Weekly Focus, Next ActionsAssumption List, Critical Assumptions, Learning Plan
Tagsno overlap
RiskDecisionFailurePlanning
ProductivityExecutionPlanning
AssumptionsRiskDecisionDiscovery
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Methods with strong topical overlap with the current selection, not yet in the comparison.

Paper notes move from an inbox to action, project and calendar collections.
Operations
Getting Things Done
Paper illustration for ALPEN Method
Operations
ALPEN Method
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 for Constraint Analysis.
Decision Making
Constraint Analysis