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| Criterion |  Operations A3 Problem Solving |  Agile WSJF |  Operations Gemba Walk |  Delivery Cost of Delay |
|---|---|---|---|---|
Purposedifferent | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | When many tasks compete for the same capacity, it orders work by economic impact. It makes time lost, benefit, and effort comparable together. | 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. |
Complexitydifferent | Medium | High | Low | High |
Timedifferent | 45-90 min | 45-90 min | 30-120 min | 90-180 min |
Participantsdifferent | 2-5 | 3-10 | 2-6 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Ranked Backlog, Cost-of-Delay Assumptions | Observation Notes, Improvement Ideas | CoD Table, Prioritization Sequence |
Tagsno overlap | LeanProblem solvingCoachingOperations | LeanEconomicsSequencePrioritization | LeanObservationProcessOperations | PrioritizationDeliveryEconomicsDecision |