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| Criterion |  Product Discovery Problem Interview |  Innovation Design Sprint |  Systems Thinking Evaporating Cloud |  Product Discovery Riskiest Assumption Test |
|---|---|---|---|---|
Purposedifferent | 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 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. | The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. | 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. |
Complexitydifferent | Medium | High | Medium | Medium |
Timedifferent | 30-60 min je Interview | 4-5 Tage | 60-120 min | 1-2 Wochen pro Iteration |
Participantsdifferent | 5-12 Interviews | 5-8 | 2-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Problem Evidence, Risk Notes, Customer Segments | Prototype, Test Findings, Decision Rationale | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | DiscoveryInterviewsValidation | Design sprintPrototypeValidationInnovation | Theory of ConstraintsAssumptionsSystems thinking | ExperimentsValidationDiscoveryAssumptions |