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| Criterion |  Product Discovery Pretotyping |  Innovation Design Sprint |  Product Discovery Problem Interview |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | Pretotyping clarifies whether a customer problem and solution idea create enough real demand. It separates problem, assumption, solution, and evidence, and captures the result as a pretotyping sketch, test setup, and conversion data. | 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 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 demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. |
Complexitydifferent | Low | High | Medium | Medium |
Timedifferent | Stunden bis wenige Tage | 4-5 Tage | 30-60 min je Interview | 1-5 Tage |
Participantsdifferent | 1-4 | 5-8 | 5-12 Interviews | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Async |
Outputdifferent | Pretotyping sketch, Test setup, Conversion data, Go or no-go decision | Prototype, Test Findings, Decision Rationale | Problem Evidence, Risk Notes, Customer Segments | Click Data, Interest Signal, Learning Decision |
Tags1 shared | ValidationDemandMVP | Design sprintPrototypeValidationInnovation | DiscoveryInterviewsValidation | ValidationExperimentsDemandDiscovery |