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| Criterion |  Innovation Morphological Analysis |  Operations Root Cause Tree Analysis |  Innovation Brainstorming |  Innovation Rapid Ideation |
|---|---|---|---|---|
Purposedifferent | For a search for solutions with many degrees of freedom, a grid emerges for systematic combinations. The method separates features, variants, and exclusion criteria, so the space gets explored deliberately. | 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. | 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 | Medium | Medium | Low | Low |
Timedifferent | 1-3 h | 1-3 h | 30-60 min | 5-20 min |
Participantsdifferent | 2-8 | 2-8 | 4-12 | 1-20 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Morphological Box, Concept Combinations, Idea Shortlist | Cause Tree, Evidence Notes, Countermeasures | Idea pool, Theme clusters, Shortlist | Ideenpool, Roh-Shortlist, Cluster |
Tagsno overlap | IdeationInnovationCreativity | Root causeTreeIncidentQuality | BrainstormingIdeationCreativityWorkshopDivergence | BrainstormingIdeationDivergenceSpeed |