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Criterion
Paper illustration for Dot Estimation.
Facilitation
Dot Estimation
Paper illustration of an assumption matrix with prioritized test cards
Decision Making
Assumption Surfacing
A hypothetical failure makes concrete risks, signals, and fitting mitigations visible.
Decision Making
Pre-Mortem
Purposedifferent
When size or effort can only be estimated roughly, Dot Estimation condenses the group's experience into a quick range. It turns individual contributions into a visible selection. The result is captured as an Effort Heatmap, Risk Signals, and Discussion Targets.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.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.
Complexitysame
LowLowLow
Timedifferent
5-20 min45-90 min20–45 min
Participantsdifferent
3-202-8Small cross-functional group
Formatdifferent
WorkshopWorkshop + asyncWorkshop
Outputdifferent
Effort Heatmap, Risk Signals, Discussion TargetsAssumption List, Critical Assumptions, Learning PlanRisk list, Mitigation plan, Assumption log
Tags1 shared
EstimationEffortRisk
AssumptionsRiskDecisionDiscovery
RiskDecisionFailurePlanning
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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
Paper illustration of DIBB with its method-specific working model.
Product Strategy
DIBB
Paper illustration for Failure Scenario Analysis.
Engineering
Failure Scenario Analysis