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| Criterion |  Product Discovery Jobs to Be Done |  Operations Change Analysis |  Engineering Hypothesis-Driven Troubleshooting |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | When switching motives and progress are unclear, it reconstructs the situation from real customer circumstances. It shows why a switch happens and what kind of progress is being sought. | 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. | 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 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 Wochen | 45-120 min | 30-240 min | 15-30 min |
Participantsdifferent | 5-12 Interviews | 2-6 | 1-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Job Stories, Outcome Statements, Opportunity List | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | Root cause notes, Countermeasures |
Tagsno overlap | CustomerOutcomesNeeds | ChangeRoot causeTroubleshootingComparison | TroubleshootingProblem solvingDiagnosis | Root causeIncidentLeanProblem solving |