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| Criterion |  Engineering Hypothesis-Driven Troubleshooting |  Growth Funnel Analysis |  Operations 5 Whys |
|---|---|---|---|
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 many visitors or users drop off along the way, the reason behind the number often stays hidden. Funnel Analysis exposes these transitions and makes visible exactly where the path collapses. | 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. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 30-240 min | 1-3 h | 15-30 min |
Participantsdifferent | 1-6 | 1-5 | 2-6 |
Formatdifferent | Workshop + async | Async | Workshop |
Outputdifferent | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | Funnel report, Drop-off analysis, Optimization hypotheses | Root cause notes, Countermeasures |
Tagsno overlap | TroubleshootingProblem solvingDiagnosis | AnalyticsConversionGrowth | Root causeIncidentLeanProblem solving |
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