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| Criterion |  Product Discovery Solution Interview |  Business Strategy 5-Minuten VC-Check |  Innovation Design Sprint |  UX Research Usability Testing |
|---|---|---|---|---|
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 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 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. |
Complexitydifferent | Medium | Low | High | Medium |
Timedifferent | 30-60 min je Interview | 5-15 min | 4-5 Tage | 1-2 h je Session |
Participantsdifferent | 5-10 Interviews | 1-5 | 5-8 | Based on research question |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | VC-check note, Go/sharpen/park decision, Risk and assumption list, Next validation step | Prototype, Test Findings, Decision Rationale | Usability Issues, Severity List, Recommendations |
Tags1 shared | ValidationInterviewsPrototype | StartupValidationCompetition | Design sprintPrototypeValidationInnovation | ValidationUXPrototype |