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| Criterion |  Engineering Fault Isolation |  Facilitation Mind Mapping |  Engineering Hypothesis-Driven Troubleshooting |  Facilitation 1-2-4-All |
|---|---|---|---|---|
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 a topic is still unclear and too many thoughts surface at once, Mind Mapping creates an open surface for ordering them. It makes connections, subtopics, and starting points visible without fixing them too early. | 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 many people in a group too rarely get to speak, 1-2-4-All distributes thinking time more fairly. The format builds participation step by step and makes quiet or still-unformed thoughts usable faster. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 30-180 min | 15-45 min | 30-240 min | 10-20 min |
Participantsdifferent | 1-6 | 1-10 | 1-6 | 4-100+ |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Mind Map, Topic Clusters, Open Questions | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | Idea List, Shared Insights, Emergent Themes |
Tagsno overlap | TroubleshootingDiagnosisEngineering | BrainstormingIdeasMappingStructureFacilitation | TroubleshootingProblem solvingDiagnosis | FacilitationInclusionIdeation |