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| Criterion |  Innovation How Might We |  Decision Making Decision Matrix |  Product Strategy ICE Scoring |  Product Strategy RICE Scoring |
|---|---|---|---|---|
Purposedifferent | With a stuck problem carrying many implicit assumptions, the method translates observations into open, workable questions. It sharpens the problem frame without pre-thinking the solution, turning frustration or fuzziness into a search space with clear direction. | 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. | 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 | Low | Medium | Low | Medium |
Timedifferent | 30–45 min | 45-90 min | 30-60 min | 60-90 min |
Participantsdifferent | 1-10 | 2-8 | 2-8 | 2-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | HMW Questions, Challenge Framing, Idea Prompts | Decision Matrix, Scoring Rationale, Selected Option | ICE Table, Top Idea List | RICE Scores, Ranked List, Assumption Log |
Tagsno overlap | FramingOpportunityIdeationQuestions | DecisionCriteriaScoringTradeoffs | PrioritizationScoringGrowthDecision | PrioritizationScoringRoadmapTradeoffs |