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| Criterion |  Innovation Design Sprint |  Product Discovery Solution Interview |  Product Discovery Test Card |  Product Discovery Learning Card |
|---|---|---|---|---|
Purposedifferent | 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. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | High | Medium | Low | Low |
Timedifferent | 4-5 Tage | 30-60 min je Interview | 20-35 min | 25-40 min |
Participantsdifferent | 5-8 | 5-10 Interviews | 1-5 | 1-5 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Prototype, Test Findings, Decision Rationale | Solution Feedback, Objection List, Validation Notes | Test Card with a pre-set threshold | Learning Card with evidence and next action |
Tags1 shared | Design sprintPrototypeValidationInnovation | ValidationInterviewsPrototype | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryLearning |