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| Criterion |  Engineering Hypothesis-Driven Troubleshooting |  Decision Making Argument Mapping |  Engineering Fault Isolation |  Knowledge Modeling IBIS |
|---|---|---|---|---|
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 statements, evidence, and counterarguments get mixed up, a debate quickly loses its structure. Argument Mapping breaks a thesis down into its reasoning and makes visible what it really rests on. | 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. | IBIS structures thinking about complex questions as a sequence of issues, ideas, and arguments. The method keeps discussions open without forcing them into premature consensus. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 30-240 min | 1-3 h | 30-180 min | 1-3 h |
Participantsdifferent | 1-6 | 1-8 | 1-6 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | Argument Map, Evidence Gaps, Decision Rationale | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Issue Map, Positions, Argument Notes |
Tagsno overlap | TroubleshootingProblem solvingDiagnosis | SensemakingDecisionRationale | TroubleshootingDiagnosisEngineering | RationaleKnowledgeDecision |