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| Criterion |  Knowledge Modeling IBIS |  Facilitation Dot Estimation |  Product Discovery Assumption Mapping |
|---|---|---|---|
Purposedifferent | IBIS structures thinking about complex questions as a sequence of issues, ideas, and arguments. The method keeps discussions open without forcing them into premature consensus. | 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. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 1-3 h | 5-20 min | 45-60 min |
Participantsdifferent | 2-8 | 3-20 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Issue Map, Positions, Argument Notes | Effort Heatmap, Risk Signals, Discussion Targets | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | RationaleKnowledgeDecision | EstimationEffortRisk | AssumptionsRiskExperimentsValidation |
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