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| Criterion |  Innovation Lean Startup |  Engineering Hypothesis-Driven Troubleshooting |  Product Discovery Assumption Mapping |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. | 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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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 | Wochen bis Monate je Lernzyklus | 30-240 min | 45-60 min | 15-30 min |
Participantsdifferent | 2-8 | 1-6 | 2-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | Assumption map, Test backlog, Risk ranking | Root cause notes, Countermeasures |
Tagsno overlap | LeanStartupValidationMVP | TroubleshootingProblem solvingDiagnosis | AssumptionsRiskExperimentsValidation | Root causeIncidentLeanProblem solving |