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| Criterion |  Engineering Hypothesis-Driven Troubleshooting |  Engineering Fault Isolation |  Innovation TRIZ |
|---|---|---|---|
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. | 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. | For technical contradictions or trade-offs, the method looks for solutions that resolve opposing requirements at the same time. It translates limits into an explicit picture of conflict that becomes workable. This produces not just compromises but more elegant principles. |
Complexitydifferent | Medium | Medium | High |
Timedifferent | 30-240 min | 30-180 min | 1-4 h |
Participantsdifferent | 1-6 | 1-6 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Contradiction Statement, Inventive Principles, Solution Concepts |
Tagsno overlap | TroubleshootingProblem solvingDiagnosis | TroubleshootingDiagnosisEngineering | InnovationProblem solvingContradictionsCreativity |
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