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| Criterion |  UX Research Empathy Mapping |  Innovation Lean Startup |  Product Discovery Pretotyping |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | 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 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. | Pretotyping clarifies whether a customer problem and solution idea create enough real demand. It separates problem, assumption, solution, and evidence, and captures the result as a pretotyping sketch, test setup, and conversion data. | When demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 30–60 min | Wochen bis Monate je Lernzyklus | Stunden bis wenige Tage | 1-5 Tage |
Participantsdifferent | 4-8 | 2-8 | 1-4 | Nutzertraffic |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Async |
Outputdifferent | Empathy Map, Assumptions List, Research Gaps | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Pretotyping sketch, Test setup, Conversion data, Go or no-go decision | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | SynthesisQualitativeWorkshop | LeanStartupValidationMVP | ValidationDemandMVP | ValidationExperimentsDemandDiscovery |