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| Criterion |  Innovation Morphological Analysis |  Operations Root Cause Tree Analysis |  Innovation Crazy 8s |  Innovation Lotus Blossom |
|---|---|---|---|---|
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. | With only a few minutes available and a still-fuzzy solution search, the method forces a wide range of variants. It produces fast sketches before the first idea can settle in, making different directions directly comparable and open to further development. | 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. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 1-3 h | 1-3 h | 8-15 min | 45-90 min |
Participantsdifferent | 2-8 | 2-8 | 1-10 | 3-10 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Morphological Box, Concept Combinations, Idea Shortlist | Cause Tree, Evidence Notes, Countermeasures | Sketch Set, Idea Shortlist, Direction Options | Lotus Diagram, Idea Themes, Shortlist |
Tagsno overlap | IdeationInnovationCreativity | Root causeTreeIncidentQuality | BrainstormingSketchingSpeedDivergenceDesign sprint | BrainstormingIdeationCreativityDivergenceWorkshop |