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| Criterion |  Operations Process Mapping |  Product Discovery Product Kata |  Operations Gemba Walk |  Operations A3 Problem Solving |
|---|---|---|---|---|
Purposedifferent | With a confusing workflow that has many handoffs, the method makes the actual process visible. It shows where work is passed on, delayed, or duplicated, so improvement targets the right spots. | Product Kata helps clarify customer problems, solution ideas, and evidence through a repeatable improvement routine. It captures direction, current metric, target metric, experiment notes, and learning. | 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. | 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. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 1-3 h | 1-2 Wochen je Loop | 30-120 min | 45-90 min |
Participantsdifferent | 3-10 | 3-10 | 2-6 | 2-5 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Process Map, Handoff List, Improvement Backlog | Direction, Current metric, Target metric, Experiment note, Learning report | Observation Notes, Improvement Ideas | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | ProcessOperationsImprovement | OutcomesDiscoveryLearningIterationCoaching | LeanObservationProcessOperations | LeanProblem solvingCoachingOperations |