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| Criterion |  Decision Making Three-Point Estimation |  Knowledge Modeling IBIS |  Product Discovery Assumption Mapping |
|---|---|---|---|
Purposedifferent | A single estimate for effort, time, or risk often looks too smooth for the real uncertainty behind it. It separates options, evaluation criteria, and open risks. The result is captured as a Three-Point Estimate, Risk Range, and Assumption Notes. | 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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 10-30 min je Item | 1-3 h | 45-60 min |
Participantsdifferent | 1-8 | 2-8 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Three-Point Estimate, Risk Range, Assumption Notes | Issue Map, Positions, Argument Notes | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | EstimationUncertaintyForecasting | RationaleKnowledgeDecision | AssumptionsRiskExperimentsValidation |
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