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| Criterion |  Engineering Hypothesis-Driven Troubleshooting |  Facilitation Alignment Mapping |  Engineering Fault Isolation |  Facilitation 3-Circle Venn Diagram |
|---|---|---|---|---|
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. | When several people work toward one goal but hold different mental maps, Alignment Mapping makes the discrepancies visible. It arranges goals, assumptions, and priorities so shared direction becomes verifiable. | 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 three perspectives matter at the same time, a Three-Circle Venn Diagram shows the overlaps and remainders precisely. It makes visible where shared effect arises and where only a partial perspective applies. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 30-240 min | 1-2 h | 30-180 min | 15-45 min |
Participantsdifferent | 1-6 | 4-12 | 1-6 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | Alignment Map, Open Issues, Decision Questions | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Venn Diagram, Overlap Notes, Differentiators |
Tagsno overlap | TroubleshootingProblem solvingDiagnosis | AlignmentStakeholdersStrategyFacilitation | TroubleshootingDiagnosisEngineering | ComparisonFacilitationAlignment |