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| Criterion | ![]() UX Research Usability Testing | ![]() Product Discovery Concierge MVP | ![]() Product Discovery Fake Door Test | ![]() Product Discovery MVP Test Matrix |
|---|---|---|---|---|
Purposedifferent | When a product is built but people get stuck on tasks, usability testing shows the friction at concrete points. Observed use instead of self-report makes visible where orientation, understanding, or interaction breaks down. | When an idea can first fail or grow through genuine hands-on support, it relies on manual work instead of automation. It shows whether user value holds up even under manual execution. | 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. | When several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 1-2 h je Session | 1-4 Wochen | 1-5 Tage | 45-75 min |
Participantsdifferent | Based on research question | 3-10 Kunden | Nutzertraffic | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop |
Outputdifferent | Usability Issues, Severity List, Recommendations | Concierge Learnings, Service Blueprint, MVP Risks | Click Data, Interest Signal, Learning Decision | Test Matrix, Test Plan |
Tags1 shared | ValidationUXPrototype | MVPValidationServiceDiscovery | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryOptions |



