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| Criterion |  Engineering Hypothesis-Driven Troubleshooting |  Innovation Rapid Ideation |  Innovation Morphological Analysis |  Innovation Crazy 8s |
|---|---|---|---|---|
Purposedifferent | When systems fail unexpectedly, spontaneous attempts often produce more noise than insight. Hypothesis-driven Troubleshooting translates symptoms into testable assumptions and makes troubleshooting learnable. | 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. | 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 | Medium | Low | Medium | Low |
Timedifferent | 30-240 min | 5-20 min | 1-3 h | 8-15 min |
Participantsdifferent | 1-6 | 1-20 | 2-8 | 1-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | Ideenpool, Roh-Shortlist, Cluster | Morphological Box, Concept Combinations, Idea Shortlist | Sketch Set, Idea Shortlist, Direction Options |
Tagsno overlap | TroubleshootingProblem solvingDiagnosis | BrainstormingIdeationDivergenceSpeed | IdeationInnovationCreativity | BrainstormingSketchingSpeedDivergenceDesign sprint |