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| Criterion |  Product Discovery Problem Interview |  Product Discovery Hypothesis Prioritization Canvas |  Innovation Design Sprint |  Product Discovery Test Card |
|---|---|---|---|---|
Purposedifferent | 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 many hypotheses compete for attention, it brings order to their learning sequence and importance. It separates problem, assumption, solution, and evidence. The result is captured as a prioritization canvas and a hypothesis backlog. | 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. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Medium | Medium | High | Low |
Timedifferent | 30-60 min je Interview | 60-90 min | 4-5 Tage | 20-35 min |
Participantsdifferent | 5-12 Interviews | 3-8 | 5-8 | 1-5 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Problem Evidence, Risk Notes, Customer Segments | Prioritization Canvas, Hypothesis Backlog | Prototype, Test Findings, Decision Rationale | Test Card with a pre-set threshold |
Tagsno overlap | DiscoveryInterviewsValidation | ExperimentsPrioritizationDiscoveryHypothesis | Design sprintPrototypeValidationInnovation | ExperimentsValidationDiscoveryHypothesis |