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Criterion
Paper illustration of the Lightning Decision Jam working structure.
Facilitation
Decision Jam
Paper illustration for PERT Estimation.
Decision Making
PERT Estimation
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 a decision is stuck, Decision Jam loosens the knot through structured separation of problem, idea, and selection. The format creates movement without jumping prematurely at the first seemingly elegant answer.On complex initiatives, a plain average tends to understate just how uncertain the outcome really is. It separates options, evaluation criteria, and open risks. The result is captured as a PERT Estimate, Expected Value, and Risk Notes.When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first.
Complexitydifferent
LowMediumMedium
Timedifferent
60-90 min15-45 min45-60 min
Participantsdifferent
4-101-82-8
Formatdifferent
WorkshopWorkshop + asyncWorkshop + async
Outputdifferent
Problem Cluster, Prioritized Challenge, ExperimentPERT Estimate, Expected Value, Risk NotesAssumption map, Test backlog, Risk ranking
Tagsno overlap
FacilitationDecisionProblem solvingWorkshop
EstimationUncertaintyRisk
AssumptionsRiskExperimentsValidation
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Methods with strong topical overlap with the current selection, not yet in the comparison.

Paper illustration of an assumption matrix with prioritized test cards
Decision Making
Assumption Surfacing
Paper illustration for Risk Storming.
Architecture
Risk Storming
Paper illustration of Riskiest Assumption Test with a method-specific labelled workspace.
Product Discovery
Riskiest Assumption Test