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| Criterion |  Innovation Double Diamond |  Product Discovery Problem Interview |  Product Discovery Learning Card |  Product Discovery MVP Test Matrix |
|---|---|---|---|---|
Purposedifferent | For complex problems with a fuzzy situation, the method cleanly separates search space and decision. It first creates breadth in understanding and then focus in elaboration. This brings open questions, problem definition, and solution path into a traceable movement. | 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. | 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 | Medium | Low | Medium |
Timedifferent | Wochen bis Monate | 30-60 min je Interview | 25-40 min | 45-75 min |
Participantsdifferent | 3-12 | 5-12 Interviews | 1-5 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Problem Evidence, Risk Notes, Customer Segments | Learning Card with evidence and next action | Test Matrix, Test Plan |
Tagsno overlap | ProcessDivergenceInnovation | DiscoveryInterviewsValidation | ExperimentsValidationDiscoveryLearning | ExperimentsValidationDiscoveryOptions |