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| Criterion |  Operations Gemba Walk |  Systems Thinking Causal Loop Diagram |  Systems Thinking Current Reality Tree |
|---|---|---|---|
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. | A Causal Loop Diagram makes feedback, reinforcement, and balance in a system legible. It uncovers side effects and self-reinforcement that stay hidden in linear explanations. | A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. |
Complexitydifferent | Low | Medium | High |
Timedifferent | 30-120 min | 1-3 h | 2-6 h |
Participantsdifferent | 2-6 | 2-8 | 3-8 |
Formatsame | Workshop | Workshop | Workshop |
Outputdifferent | Observation Notes, Improvement Ideas | Causal Loop Diagram, Feedback Notes, Leverage Points | Current Reality Tree, Core Problems, Intervention Ideas |
Tagsno overlap | LeanObservationProcessOperations | FeedbackSystems thinkingCausalityDynamics | Systems thinkingRoot causeConstraintsCausality |
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