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| Criterion |  Operations Gemba Walk |  Delivery Cost of Delay |  Agile WSJF |  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. | Helps clarify scope, order, and delivery flow in concrete terms. It makes work, constraints, and sequence manageable. The result is captured as a Cost of Delay table and prioritization sequence. | When many tasks compete for the same capacity, it orders work by economic impact. It makes time lost, benefit, and effort comparable together. | 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 | High | High | Low |
Timedifferent | 30-120 min | 90-180 min | 45-90 min | 30-60 min |
Participantsdifferent | 2-6 | 3-8 | 3-10 | 2-8 |
Formatdifferent | Workshop | Workshop | Workshop | Workshop + async |
Outputdifferent | Observation Notes, Improvement Ideas | CoD Table, Prioritization Sequence | Ranked Backlog, Cost-of-Delay Assumptions | ICE Table, Top Idea List |
Tagsno overlap | LeanObservationProcessOperations | PrioritizationDeliveryEconomicsDecision | LeanEconomicsSequencePrioritization | PrioritizationScoringGrowthDecision |