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| Criterion |  Engineering Fault Isolation |  UX Design Design Studio |  Operations 5 Whys |  DevOps ChatOps |
|---|---|---|---|---|
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. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | For operational work in a distributed team, the method links communication with direct system control. It records decisions right where the signal, the context, and the execution come together. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 30-180 min | 1-3 h | 15-30 min | Ongoing |
Participantsdifferent | 1-6 | 3-8 | 2-6 | 2-20 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Sketches, Concept Directions, Design Decisions | Root cause notes, Countermeasures | Chat Transcript, Action Log, Automations |
Tagsno overlap | TroubleshootingDiagnosisEngineering | SketchingCollaborationIdeation | Root causeIncidentLeanProblem solving | CollaborationEngineeringIncident |