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| Criterion |  Operations Fault Tree Analysis |  Innovation Reverse Brainstorming |  Innovation Lotus Blossom |  Innovation Rapid Ideation |
|---|---|---|---|---|
Purposedifferent | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. | 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. | When a central question feels too large, the method breaks it into neighboring topic fields with their own depth of ideation. It holds structure and openness at the same time, so adjacent perspectives don't get lost. This grows an idea space out of a core problem. | 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. |
Complexitydifferent | High | Low | Low | Low |
Timedifferent | 2-6 h | 30-60 min | 45-90 min | 5-20 min |
Participantsdifferent | 3-8 | 3-12 | 3-10 | 1-20 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Reverse Ideas, Risk Themes, Solution Ideas | Lotus Diagram, Idea Themes, Shortlist | Ideenpool, Roh-Shortlist, Cluster |
Tagsno overlap | RiskRoot causeSafety | BrainstormingIdeationCreativityRisk | BrainstormingIdeationCreativityDivergenceWorkshop | BrainstormingIdeationDivergenceSpeed |