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| Criterion |  Innovation Reverse Brainstorming |  Innovation Morphological Analysis |  Innovation Crazy 8s |
|---|---|---|---|
Purposedifferent | 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. | 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. | 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. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 30-60 min | 1-3 h | 8-15 min |
Participantsdifferent | 3-12 | 2-8 | 1-10 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Reverse Ideas, Risk Themes, Solution Ideas | Morphological Box, Concept Combinations, Idea Shortlist | Sketch Set, Idea Shortlist, Direction Options |
Tagsno overlap | BrainstormingIdeationCreativityRisk | IdeationInnovationCreativity | BrainstormingSketchingSpeedDivergenceDesign sprint |
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