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| Criterion |  Operations Visual Management |  Operations Gemba Walk |  Systems Thinking Evaporating Cloud |  Systems Thinking Future Reality Tree |
|---|---|---|---|---|
Purposedifferent | With high tempo and many parallel topics, the method makes status, deviations, and priorities visible at a glance. It reduces search effort and prevents what matters from getting lost in daily work. | 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. | The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. | 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. |
Complexitydifferent | Low | Low | Medium | High |
Timedifferent | Ongoing | 30-120 min | 60-120 min | 2-4 h |
Participantsdifferent | 1-20 | 2-6 | 2-8 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Visual Board, Status Indicators, Exception Cues | Observation Notes, Improvement Ideas | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments | Future Reality Tree, Negative Branches, Assumption List, Improved Injections |
Tagsno overlap | SignalsOperationsVisual management | LeanObservationProcessOperations | Theory of ConstraintsAssumptionsSystems thinking | Theory of ConstraintsSystems thinkingChange |