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| Criterion |  Knowledge Modeling IBIS |  Operations Gemba Walk |  Decision Making Decision Tree |
|---|---|---|---|
Purposedifferent | IBIS structures thinking about complex questions as a sequence of issues, ideas, and arguments. The method keeps discussions open without forcing them into premature consensus. | 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 decisions with follow-on paths and dependencies, a linear comparison is often not enough. A Decision Tree shows how options branch under conditions and which consequences hang on each branch. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 1-3 h | 30-120 min | 30-90 min |
Participantsdifferent | 2-8 | 2-6 | 1-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Issue Map, Positions, Argument Notes | Observation Notes, Improvement Ideas | Decision Tree, Option Map, Assumption List |
Tagsno overlap | RationaleKnowledgeDecision | LeanObservationProcessOperations | DecisionTreeOptions |
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