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| Criterion |  Knowledge Modeling IBIS |  Product Strategy ICE Scoring |  Product Strategy RICE Scoring |  Delivery Cost of Delay |
|---|---|---|---|---|
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 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. | 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. |
Complexitydifferent | Medium | Low | Medium | High |
Timedifferent | 1-3 h | 30-60 min | 60-90 min | 90-180 min |
Participantsdifferent | 2-8 | 2-8 | 2-10 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Issue Map, Positions, Argument Notes | ICE Table, Top Idea List | RICE Scores, Ranked List, Assumption Log | CoD Table, Prioritization Sequence |
Tagsno overlap | RationaleKnowledgeDecision | PrioritizationScoringGrowthDecision | PrioritizationScoringRoadmapTradeoffs | PrioritizationDeliveryEconomicsDecision |