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| Criterion |  Innovation Double Diamond |  Product Discovery Problem Interview |  Product Discovery Riskiest Assumption Test |
|---|---|---|---|
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. | When an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | Wochen bis Monate | 30-60 min je Interview | 1-2 Wochen pro Iteration |
Participantsdifferent | 3-12 | 5-12 Interviews | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Problem Evidence, Risk Notes, Customer Segments | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | ProcessDivergenceInnovation | DiscoveryInterviewsValidation | ExperimentsValidationDiscoveryAssumptions |
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