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| Criterion |  UX Research Usability Testing |  Product Discovery Wizard of Oz Test |  Product Discovery Problem Interview |  Innovation Design Sprint |
|---|---|---|---|---|
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 a new experience would still be too expensive to automate for real, it simulates the outcome behind the scenes. It checks user reaction and value before the technology disappears. | When the picture of the problem still needs to become solid, it asks about real situations and consequences. It separates genuine suffering from mere interest in a solution. | 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. |
Complexitydifferent | Medium | High | Medium | High |
Timedifferent | 1-2 h je Session | 2-10 Tage | 30-60 min je Interview | 4-5 Tage |
Participantsdifferent | Based on research question | 5-20 Nutzer | 5-12 Interviews | 5-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Usability Issues, Severity List, Recommendations | Prototype Learnings, Manual Effort Notes, Risk List | Problem Evidence, Risk Notes, Customer Segments | Prototype, Test Findings, Decision Rationale |
Tags1 shared | ValidationUXPrototype | PrototypeValidationMVP | DiscoveryInterviewsValidation | Design sprintPrototypeValidationInnovation |