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| Criterion |  Agile NoEstimates |  Operations Gemba Walk |  Engineering Kanban |  Operations A3 Problem Solving |
|---|---|---|---|---|
Purposedifferent | When estimating slows a team down more than it helps, it shifts the focus to flow, small slices, and real lead time. It sorts work by value, risk, and delivery ability. The result is captured as Throughput Data, Flow Forecast, and Slicing Rules. | 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 work sits in too many parallel streams, throughput suffers and no one sees the bottlenecks. Kanban makes the flow of work visible and limits overload so a system becomes calmer and more predictable. | 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 | Low | Medium | Medium |
Timedifferent | laufend | 30-120 min | Ongoing | 45-90 min |
Participantsdifferent | 2-12 | 2-6 | 2-12 | 2-5 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Throughput Data, Flow Forecast, Slicing Rules | Observation Notes, Improvement Ideas | Kanban board, WIP policies, Flow metrics | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | EstimationForecastingFlow | LeanObservationProcessOperations | FlowVisual managementDelivery | LeanProblem solvingCoachingOperations |