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| Criterion |  Innovation Lean Startup |  UX Research Empathy 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 a lot is assumed about a target group but little is seen jointly, empathy mapping makes knowledge and gaps directly comparable. The picture also shows which assumptions hold up and where evidence is missing. | 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 | Low | Low |
Timedifferent | Wochen bis Monate je Lernzyklus | 30–60 min | 15-30 min |
Participantsdifferent | 2-8 | 4-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Empathy Map, Assumptions List, Research Gaps | Root cause notes, Countermeasures |
Tagsno overlap | LeanStartupValidationMVP | SynthesisQualitativeWorkshop | Root causeIncidentLeanProblem solving |
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