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| Criterion |  Product Strategy ICE Scoring |  Engineering Kanban |  Product Strategy RICE Scoring |  Decision Making Decision Matrix |
|---|---|---|---|---|
Purposedifferent | 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 work sits in too many parallel streams, throughput suffers and no one sees the bottlenecks. Kanban makes the flow of work visible and limits overload so a system becomes calmer and more predictable. | 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 several options collide with several criteria, comparison quickly becomes subjective. A Decision Matrix makes the trade-off visible and brings weighting, criteria, and options into a shared logic. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 30-60 min | Ongoing | 60-90 min | 45-90 min |
Participantsdifferent | 2-8 | 2-12 | 2-10 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | ICE Table, Top Idea List | Kanban board, WIP policies, Flow metrics | RICE Scores, Ranked List, Assumption Log | Decision Matrix, Scoring Rationale, Selected Option |
Tagsno overlap | PrioritizationScoringGrowthDecision | FlowVisual managementDelivery | PrioritizationScoringRoadmapTradeoffs | DecisionCriteriaScoringTradeoffs |