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| Criterion |  Operations Gemba Walk |  Product Strategy ICE Scoring |  Agile WSJF |
|---|---|---|---|
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 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 tasks compete for the same capacity, it orders work by economic impact. It makes time lost, benefit, and effort comparable together. |
Complexitydifferent | Low | Low | High |
Timedifferent | 30-120 min | 30-60 min | 45-90 min |
Participantsdifferent | 2-6 | 2-8 | 3-10 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Observation Notes, Improvement Ideas | ICE Table, Top Idea List | Ranked Backlog, Cost-of-Delay Assumptions |
Tagsno overlap | LeanObservationProcessOperations | PrioritizationScoringGrowthDecision | LeanEconomicsSequencePrioritization |
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