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| Criterion |  UX Research Usability Testing |  Product Discovery Solution Interview |  Innovation Lean Startup |  UX Research First-click Testing |
|---|---|---|---|---|
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 solution idea is already on the table, it checks how it is understood and evaluated. It looks for resonance, objections, and missing fit early in the conversation. | 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 users immediately turn the wrong way on a screen or wireframe, first click testing checks initial orientation at high speed. The first click shows early whether expectation, labeling, and wayfinding fit together. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 1-2 h je Session | 30-60 min je Interview | Wochen bis Monate je Lernzyklus | 1-2 Tage |
Participantsdifferent | Based on research question | 5-10 Interviews | 2-8 | 10-30 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Usability Issues, Severity List, Recommendations | Solution Feedback, Objection List, Validation Notes | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Click Heatmap, Success Rate, Design Recommendations |
Tags1 shared | ValidationUXPrototype | ValidationInterviewsPrototype | LeanStartupValidationMVP | UXNavigationFindabilityValidation |