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| Criterion |  Innovation Double Diamond |  Product Discovery Solution Interview |  Product Discovery Concierge MVP |  Product Discovery Problem Interview |
|---|---|---|---|---|
Purposedifferent | For complex problems with a fuzzy situation, the method cleanly separates search space and decision. It first creates breadth in understanding and then focus in elaboration. This brings open questions, problem definition, and solution path into a traceable movement. | 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 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. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | Wochen bis Monate | 30-60 min je Interview | 1-4 Wochen | 30-60 min je Interview |
Participantsdifferent | 3-12 | 5-10 Interviews | 3-10 Kunden | 5-12 Interviews |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Solution Feedback, Objection List, Validation Notes | Concierge Learnings, Service Blueprint, MVP Risks | Problem Evidence, Risk Notes, Customer Segments |
Tagsno overlap | ProcessDivergenceInnovation | ValidationInterviewsPrototype | MVPValidationServiceDiscovery | DiscoveryInterviewsValidation |