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| Criterion |  Product Discovery Wizard of Oz Test |  Product Discovery Problem Interview |  Innovation Design Sprint |  Product Discovery Solution Interview |
|---|---|---|---|---|
Purposedifferent | When a new experience would still be too expensive to automate for real, it simulates the outcome behind the scenes. It checks user reaction and value before the technology disappears. | 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. | 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 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. |
Complexitydifferent | High | Medium | High | Medium |
Timedifferent | 2-10 Tage | 30-60 min je Interview | 4-5 Tage | 30-60 min je Interview |
Participantsdifferent | 5-20 Nutzer | 5-12 Interviews | 5-8 | 5-10 Interviews |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Prototype Learnings, Manual Effort Notes, Risk List | Problem Evidence, Risk Notes, Customer Segments | Prototype, Test Findings, Decision Rationale | Solution Feedback, Objection List, Validation Notes |
Tags1 shared | PrototypeValidationMVP | DiscoveryInterviewsValidation | Design sprintPrototypeValidationInnovation | ValidationInterviewsPrototype |