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| Criterion |  Operations DMAIC |  Knowledge Modeling IBIS |  Operations ALPEN Method |  Operations Fishbone Diagram |
|---|---|---|---|---|
Purposedifferent | For a process problem with fluctuating performance, the method brings analysis and improvement into a disciplined sequence. It creates a framework in which numbers, causes, and control come together. | 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. | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. |
Complexitydifferent | High | Medium | Low | Low |
Timedifferent | 2-12 Wochen | 1-3 h | 10-20 min daily | 30-60 min |
Participantsdifferent | 3-10 | 2-8 | 1 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop |
Outputdifferent | Project Charter, Measurement Plan, Cause Analysis, Control Plan | Issue Map, Positions, Argument Notes | Daily Plan, Time Estimates, Review Notes | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | Continuous improvementQualityProcess improvement | RationaleKnowledgeDecision | PlanningTime managementProductivityOperations | Root causeQualityOperations |