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| Criterion |  Operations Gemba Walk |  Decision Making Decision Matrix |  Operations Kaizen Event |  Decision Making Trade-off Analysis |
|---|---|---|---|---|
Purposedifferent | 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 several options collide with several criteria, comparison quickly becomes subjective. A Decision Matrix makes the trade-off visible and brings weighting, criteria, and options into a shared logic. | For a tightly scoped process segment with noticeable waste, the method bundles shared energy for change. It suits situations that call for fast learning loops and visible adjustments. | With limited resources, quality, speed, cost, and risk almost always compete with each other. Trade-off Analysis makes these tensions explicit and prevents decisions from producing hidden side effects. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 30-120 min | 45-90 min | 0.5-5 Tage | 45-120 min |
Participantsdifferent | 2-6 | 2-8 | 4-10 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Observation Notes, Improvement Ideas | Decision Matrix, Scoring Rationale, Selected Option | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Trade-off Matrix, Criteria List, Decision Rationale, Accepted Downsides |
Tagsno overlap | LeanObservationProcessOperations | DecisionCriteriaScoringTradeoffs | LeanContinuous improvementOperations | TradeoffsDecisionCriteriaOptions |