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| Criterion |  Innovation Design Thinking |  Product Discovery Solution Interview |  Product Discovery Learning Card |  Innovation Design Sprint |
|---|---|---|---|---|
Purposedifferent | 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. | 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 Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | 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. |
Complexitydifferent | High | Medium | Low | High |
Timedifferent | 1 Tag bis mehrere Wochen | 30-60 min je Interview | 25-40 min | 4-5 Tage |
Participantsdifferent | 4-10 | 5-10 Interviews | 1-5 | 5-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Problem Statement, Prototype, Test Learnings | Solution Feedback, Objection List, Validation Notes | Learning Card with evidence and next action | Prototype, Test Findings, Decision Rationale |
Tagsno overlap | InnovationPrototypeResearch | ValidationInterviewsPrototype | ExperimentsValidationDiscoveryLearning | Design sprintPrototypeValidationInnovation |