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| Criterion |  Operations Gemba Walk |  Product Strategy RICE Scoring |  Product Strategy ICE Scoring |
|---|---|---|---|
Purposedifferent | When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. | 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 | Low | Medium | Low |
Timedifferent | 30-120 min | 60-90 min | 30-60 min |
Participantsdifferent | 2-6 | 2-10 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Observation Notes, Improvement Ideas | RICE Scores, Ranked List, Assumption Log | ICE Table, Top Idea List |
Tagsno overlap | LeanObservationProcessOperations | PrioritizationScoringRoadmapTradeoffs | PrioritizationScoringGrowthDecision |
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