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| Criterion |  Operations Root Cause Tree Analysis |  Innovation Round Robin Brainstorming |  Innovation Reverse Brainstorming |
|---|---|---|---|
Purposedifferent | 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. | With unevenly distributed speaking time, the method brings every person into the contribution one after another. It prevents early voices from setting the direction while still producing a shared idea space. This makes participation plannable and the team's diversity visible. | For persistent errors or blockages, the method shifts the view to the opposite of the desired effect. It exposes the mechanics of failure and makes hidden causes easier to grasp. This makes improvement more concrete and the problem clearer. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 1-3 h | 20-45 min | 30-60 min |
Participantsdifferent | 2-8 | 4-10 | 3-12 |
Formatsame | Workshop | Workshop | Workshop |
Outputdifferent | Cause Tree, Evidence Notes, Countermeasures | Idea List, Cluster, Shortlist | Reverse Ideas, Risk Themes, Solution Ideas |
Tagsno overlap | Root causeTreeIncidentQuality | BrainstormingIdeationFacilitationInclusionCreativity | BrainstormingIdeationCreativityRisk |
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