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| Criterion |  Growth Funnel Analysis |  Engineering Hypothesis-Driven Troubleshooting |  Operations Change Analysis |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | 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. | When systems fail unexpectedly, spontaneous attempts often produce more noise than insight. Hypothesis-driven Troubleshooting translates symptoms into testable assumptions and makes troubleshooting learnable. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | 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 | Medium | Low |
Timedifferent | 1-3 h | 30-240 min | 45-120 min | 15-30 min |
Participantsdifferent | 1-5 | 1-6 | 2-6 | 2-6 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Funnel report, Drop-off analysis, Optimization hypotheses | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Root cause notes, Countermeasures |
Tagsno overlap | AnalyticsConversionGrowth | TroubleshootingProblem solvingDiagnosis | ChangeRoot causeTroubleshootingComparison | Root causeIncidentLeanProblem solving |