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| Criterion |  Engineering Fault Isolation |  UX Design Design Studio |  Innovation Brainstorming |  Innovation Crazy 8s |
|---|---|---|---|---|
Purposedifferent | In technical failures, the visible symptom often gets mixed up with the actual cause. Fault Isolation narrows the fault space and progressively reduces which part of the system is truly affected. | When several designs need to be quickly put in relation to each other, it makes ideas visible and comparable. It encourages early variants instead of long upfront debates. | 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. | 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 | Medium | Low | Low |
Timedifferent | 30-180 min | 1-3 h | 30-60 min | 8-15 min |
Participantsdifferent | 1-6 | 3-8 | 4-12 | 1-10 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Sketches, Concept Directions, Design Decisions | Idea pool, Theme clusters, Shortlist | Sketch Set, Idea Shortlist, Direction Options |
Tagsno overlap | TroubleshootingDiagnosisEngineering | SketchingCollaborationIdeation | BrainstormingIdeationCreativityWorkshopDivergence | BrainstormingSketchingSpeedDivergenceDesign sprint |