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| Criterion |  Engineering Hypothesis-Driven Troubleshooting |  Innovation Crazy 8s |  Engineering Fault Isolation |
|---|---|---|---|
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. | 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. | 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. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 30-240 min | 8-15 min | 30-180 min |
Participantsdifferent | 1-6 | 1-10 | 1-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | Sketch Set, Idea Shortlist, Direction Options | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area |
Tagsno overlap | TroubleshootingProblem solvingDiagnosis | BrainstormingSketchingSpeedDivergenceDesign sprint | TroubleshootingDiagnosisEngineering |
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