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| Criterion |  Product Strategy Impact Mapping |  Operations Gemba Walk |  Operations Getting Things Done |  Operations A3 Problem Solving |
|---|---|---|---|---|
Purposedifferent | When a goal needs to be connected to several possible paths, it shows chains of impact instead of feature lists. It connects business goal, behavior change, and measures. | 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. | With many open commitments and ideas in daily life, a reliable external storage system emerges. The method relieves the mind so priority and context don't have to compete in memory. | 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 | 45-90 min | 30-120 min | 1-2 h Setup, laufend | 45-90 min |
Participantsdifferent | 3-8 | 2-6 | 1 | 2-5 |
Formatdifferent | Workshop | Workshop | Async | Workshop + async |
Outputdifferent | Impact Map, Outcome Hypotheses, Delivery Options | Observation Notes, Improvement Ideas | Action Lists, Project List, Review Routine | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | OutcomesStrategyBehaviorPlanning | LeanObservationProcessOperations | ProductivityPlanningTasksExecution | LeanProblem solvingCoachingOperations |