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| Criterion |  Product Discovery Solution Interview |  Innovation Design Thinking |  Product Discovery Learning Card |  Product Discovery MVP Test Matrix |
|---|---|---|---|---|
Purposedifferent | 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. | For complex user problems with an uncertain cause, the method connects observation, interpretation, and experiment into a learning cycle. It keeps the focus on real needs and avoids premature solution language. This produces robust decisions for product and service. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | When several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. |
Complexitydifferent | Medium | High | Low | Medium |
Timedifferent | 30-60 min je Interview | 1 Tag bis mehrere Wochen | 25-40 min | 45-75 min |
Participantsdifferent | 5-10 Interviews | 4-10 | 1-5 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Problem Statement, Prototype, Test Learnings | Learning Card with evidence and next action | Test Matrix, Test Plan |
Tagsno overlap | ValidationInterviewsPrototype | InnovationPrototypeResearch | ExperimentsValidationDiscoveryLearning | ExperimentsValidationDiscoveryOptions |