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| Criterion |  Product Strategy RICE Scoring |  UX Research Contextual Inquiry |  Operations Gemba Walk |  Product Strategy ICE Scoring |
|---|---|---|---|---|
Purposedifferent | 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 work processes are known only from accounts and the real context stays hidden, Contextual Inquiry makes behavior at the workplace visible. Observation and follow-up questions together show how people actually work, get interrupted, and improvise. | 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 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 | Medium | Low | Low |
Timedifferent | 60-90 min | 1-3 Wochen | 30-120 min | 30-60 min |
Participantsdifferent | 2-10 | 4-12 Beobachtungen | 2-6 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | RICE Scores, Ranked List, Assumption Log | Field Notes, Workflow Insights, Pain Points | Observation Notes, Improvement Ideas | ICE Table, Top Idea List |
Tagsno overlap | PrioritizationScoringRoadmapTradeoffs | UX researchObservationContext | LeanObservationProcessOperations | PrioritizationScoringGrowthDecision |