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| Criterion |  Knowledge Modeling IBIS |  Agile WSJF |  Product Strategy RICE Scoring |  Product Strategy ICE 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. | When many tasks compete for the same capacity, it orders work by economic impact. It makes time lost, benefit, and effort comparable together. | When many initiatives compete for the same resources, it brings reach, impact, confidence, and effort into one shared ranking. It makes prioritization economically connectable. | 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. |
Complexitydifferent | Medium | High | Medium | Low |
Timedifferent | 1-3 h | 45-90 min | 60-90 min | 30-60 min |
Participantsdifferent | 2-8 | 3-10 | 2-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Issue Map, Positions, Argument Notes | Ranked Backlog, Cost-of-Delay Assumptions | RICE Scores, Ranked List, Assumption Log | ICE Table, Top Idea List |
Tagsno overlap | RationaleKnowledgeDecision | LeanEconomicsSequencePrioritization | PrioritizationScoringRoadmapTradeoffs | PrioritizationScoringGrowthDecision |