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| Criterion |  UX Research Usability Testing |  Innovation Design Sprint |  Product Discovery Fake Door Test |  Product Discovery Learning Card |
|---|---|---|---|---|
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 the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. | 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. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Medium | High | Medium | Low |
Timedifferent | 1-2 h je Session | 4-5 Tage | 1-5 Tage | 25-40 min |
Participantsdifferent | Based on research question | 5-8 | Nutzertraffic | 1-5 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop + async |
Outputdifferent | Usability Issues, Severity List, Recommendations | Prototype, Test Findings, Decision Rationale | Click Data, Interest Signal, Learning Decision | Learning Card with evidence and next action |
Tags1 shared | ValidationUXPrototype | Design sprintPrototypeValidationInnovation | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryLearning |