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Criterion
Paper illustration of the Lightning Decision Jam working structure.
Facilitation
Decision Jam
A paper-based illustration representing Event Modeling with its core stages and visible working result.
Knowledge Modeling
Event Modeling
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.Event Modeling connects business workflows with commands, events, and views into one coherent mental model. It helps design behavior, UI, and technical slices from the same underlying logic.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 min2-6 h45-60 min
Participantsdifferent
4-102-82-8
Formatdifferent
WorkshopWorkshop + asyncWorkshop + async
Outputdifferent
Problem Cluster, Prioritized Challenge, ExperimentEvent Model, UI Flow, Commands, Read ModelsAssumption map, Test backlog, Risk ranking
Tagsno overlap
FacilitationDecisionProblem solvingWorkshop
EventsBlueprintDomain-Driven DesignBehavior
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
EventStorming on a long working surface: colored event cards form a business flow, friction points are marked, and a boundary separates different areas of responsibility.
Domain Modeling
EventStorming
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