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| Criterion |  Knowledge Modeling IBIS |  Delivery Cost of Delay |  Product Strategy ICE Scoring |  Product Strategy RICE Scoring |
|---|---|---|---|---|
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. | Helps clarify scope, order, and delivery flow in concrete terms. It makes work, constraints, and sequence manageable. The result is captured as a Cost of Delay table and prioritization sequence. | When ideas need sorting quickly, it condenses impact, confidence, and effort into one compact score. It connects customer value, product logic, and decision priorities. The result is captured as an ICE table and top-ideas list. | When many initiatives compete for the same resources, it brings reach, impact, confidence, and effort into one shared ranking. It makes prioritization economically connectable. |
Complexitydifferent | Medium | High | Low | Medium |
Timedifferent | 1-3 h | 90-180 min | 30-60 min | 60-90 min |
Participantsdifferent | 2-8 | 3-8 | 2-8 | 2-10 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Issue Map, Positions, Argument Notes | CoD Table, Prioritization Sequence | ICE Table, Top Idea List | RICE Scores, Ranked List, Assumption Log |
Tagsno overlap | RationaleKnowledgeDecision | PrioritizationDeliveryEconomicsDecision | PrioritizationScoringGrowthDecision | PrioritizationScoringRoadmapTradeoffs |