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| Criterion |  Operations PDCA Cycle |  Operations Root Cause Tree Analysis |  Innovation Brainstorming |
|---|---|---|---|
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 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. | When a team faces an open question with many obvious directions, the method first creates breadth instead of premature commitment. It separates idea flow from evaluation and makes lines of thought visible, creating a pool for selection and further development. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 1 h bis mehrere Wochen | 1-3 h | 30-60 min |
Participantsdifferent | 1-8 | 2-8 | 4-12 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | Cause Tree, Evidence Notes, Countermeasures | Idea pool, Theme clusters, Shortlist |
Tagsno overlap | Continuous improvementLeanExperiments | Root causeTreeIncidentQuality | BrainstormingIdeationCreativityWorkshopDivergence |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
