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| Criterion |  Product Discovery Solution Interview |  Business Strategy 5-Minuten VC-Check |  UX Research Usability Testing |  Product Discovery Problem Interview |
|---|---|---|---|---|
Purposedifferent | 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. | The 5-Minute VC Check clarifies opportunities and strategic options at the earliest idea stage. It compares problem quality, customer willingness to pay, alternatives, differentiation, and market potential, and captures the result as a VC-check note, go/sharpen/park decision, and risk list. | 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 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. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | 30-60 min je Interview | 5-15 min | 1-2 h je Session | 30-60 min je Interview |
Participantsdifferent | 5-10 Interviews | 1-5 | Based on research question | 5-12 Interviews |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | VC-check note, Go/sharpen/park decision, Risk and assumption list, Next validation step | Usability Issues, Severity List, Recommendations | Problem Evidence, Risk Notes, Customer Segments |
Tags1 shared | ValidationInterviewsPrototype | StartupValidationCompetition | ValidationUXPrototype | DiscoveryInterviewsValidation |