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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
Paper illustration of a calm four-quadrant Assumption Map with hypothesis cards and emphasis on important assumptions with little evidence.
Product Discovery
Assumption Mapping
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.When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first.
Complexitydifferent
LowLowLowMedium
Timedifferent
5-20 min45-90 min20–45 min45-60 min
Participantsdifferent
3-202-8Small cross-functional group2-8
Formatdifferent
WorkshopWorkshop + asyncWorkshopWorkshop + async
Outputdifferent
Effort Heatmap, Risk Signals, Discussion TargetsAssumption List, Critical Assumptions, Learning PlanRisk list, Mitigation plan, Assumption logAssumption map, Test backlog, Risk ranking
Tags1 shared
EstimationEffortRisk
AssumptionsRiskDecisionDiscovery
RiskDecisionFailurePlanning
AssumptionsRiskExperimentsValidation
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