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| Criterion |  Product Discovery Solution Interview |  Product Discovery Concierge MVP |  UX Research Card Sorting |  Innovation Design Sprint |
|---|---|---|---|---|
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. | When an idea can first fail or grow through genuine hands-on support, it relies on manual work instead of automation. It shows whether user value holds up even under manual execution. | When content only makes sense internally and users can't find the structure again, card sorting exposes their mental order. Terms, groups, and naming are then aligned with the target group's expectations. | 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 | Medium | Low | High |
Timedifferent | 30-60 min je Interview | 1-4 Wochen | 20-45 min | 4-5 Tage |
Participantsdifferent | 5-10 Interviews | 3-10 Kunden | Based on research question | 5-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Concierge Learnings, Service Blueprint, MVP Risks | Content groups, Label set, IA hypotheses | Prototype, Test Findings, Decision Rationale |
Tagsno overlap | ValidationInterviewsPrototype | MVPValidationServiceDiscovery | Information architectureNavigationStructure | Design sprintPrototypeValidationInnovation |