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| Criterion |  Operations PDCA Cycle |  Operations Waste Analysis |  Operations Root Cause Tree Analysis |
|---|---|---|---|
Purposedifferent | For an improvement that still has to prove itself in everyday work, the method runs it through small learning loops. It connects planning, checking, and standardization into a repeatable learning mode. | For a process that keeps people busy but creates little value, the method exposes waste. It directs attention to unnecessary movement, waiting times, rework, and overdelivery. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. |
Complexitydifferent | Low | Low | Medium |
Timedifferent | 1 h bis mehrere Wochen | 45-120 min | 1-3 h |
Participantsdifferent | 1-8 | 2-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | Waste Map, Prioritized Waste, Improvement Backlog | Cause Tree, Evidence Notes, Countermeasures |
Tagsno overlap | Continuous improvementLeanExperiments | WasteLeanProcess improvement | Root causeTreeIncidentQuality |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
