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| Criterion |  Operations Gemba Walk |  Operations Kaizen Event |  Systems Thinking Future Reality Tree |  Systems Thinking Intervention Mapping |
|---|---|---|---|---|
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. | 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. | A Future Reality Tree shows how desired actions are meant to lead to a better system state. The method checks whether a path of change holds together logically before time flows into implementation. | Intervention Mapping translates a need for change into a planned, evaluable program. The method connects target group, determinants, actions, and measurement into a traceable chain. |
Complexitydifferent | Low | Medium | High | High |
Timedifferent | 30-120 min | 0.5-5 Tage | 2-4 h | 1-5 Tage |
Participantsdifferent | 2-6 | 4-10 | 3-8 | 4-12 |
Formatdifferent | Workshop | Workshop | Workshop | Workshop + async |
Outputdifferent | Observation Notes, Improvement Ideas | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Logic Model, Change Objectives, Intervention Components, Evaluation Plan |
Tagsno overlap | LeanObservationProcessOperations | LeanContinuous improvementOperations | Theory of ConstraintsSystems thinkingChange | ChangeSystems thinkingCapability |