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| Criterion |  Operations A3 Problem Solving |  Business Strategy GAP Analysis |  Operations Gemba Walk |
|---|---|---|---|
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. | GAP Analysis compares the current state with a target picture and makes the distance manageable. It becomes useful when, ahead of new initiatives, it must become clear which capabilities, processes, or resources are missing. | 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. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 45-90 min | 1-3 h | 30-120 min |
Participantsdifferent | 2-5 | 2-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Gap Matrix, Action Plan, Risk Notes | Observation Notes, Improvement Ideas |
Tagsno overlap | LeanProblem solvingCoachingOperations | StrategyAnalysisPlanning | LeanObservationProcessOperations |
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