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| Criterion |  Operations Change Analysis |  Innovation Lean Startup |  Product Discovery Assumption Mapping |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | 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 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 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 | 45-120 min | Wochen bis Monate je Lernzyklus | 45-60 min | 15-30 min |
Participantsdifferent | 2-6 | 2-8 | 2-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Assumption map, Test backlog, Risk ranking | Root cause notes, Countermeasures |
Tagsno overlap | ChangeRoot causeTroubleshootingComparison | LeanStartupValidationMVP | AssumptionsRiskExperimentsValidation | Root causeIncidentLeanProblem solving |