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| Criterion |  Operations Root Cause Tree Analysis |  Innovation Rapid Ideation |  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. | When a decision needs to be prepared quickly, the method generates many solution-close variants in a short time. It deliberately relies on pace to undercut self-censorship and perfectionism. This quickly produces a usable field for prioritization and further work. | 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 | 5-20 min | 30-60 min |
Participantsdifferent | 2-8 | 1-20 | 3-12 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Cause Tree, Evidence Notes, Countermeasures | Ideenpool, Roh-Shortlist, Cluster | Reverse Ideas, Risk Themes, Solution Ideas |
Tagsno overlap | Root causeTreeIncidentQuality | BrainstormingIdeationDivergenceSpeed | BrainstormingIdeationCreativityRisk |
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