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| Criterion |  Innovation Crazy 8s |  Innovation Double Diamond |  Operations Root Cause Tree Analysis |
|---|---|---|---|
Purposedifferent | 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. | For complex problems with a fuzzy situation, the method cleanly separates search space and decision. It first creates breadth in understanding and then focus in elaboration. This brings open questions, problem definition, and solution path into a traceable movement. | 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. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 8-15 min | Wochen bis Monate | 1-3 h |
Participantsdifferent | 1-10 | 3-12 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Sketch Set, Idea Shortlist, Direction Options | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Cause Tree, Evidence Notes, Countermeasures |
Tagsno overlap | BrainstormingSketchingSpeedDivergenceDesign sprint | ProcessDivergenceInnovation | Root causeTreeIncidentQuality |
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