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| Criterion |  Product Discovery Solution Interview |  Innovation Lean Startup |  Product Discovery Hypothesis Prioritization Canvas |  Product Discovery Learning Card |
|---|---|---|---|---|
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 uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. | When many hypotheses compete for attention, it brings order to their learning sequence and importance. It separates problem, assumption, solution, and evidence. The result is captured as a prioritization canvas and a hypothesis backlog. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 30-60 min je Interview | Wochen bis Monate je Lernzyklus | 60-90 min | 25-40 min |
Participantsdifferent | 5-10 Interviews | 2-8 | 3-8 | 1-5 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Prioritization Canvas, Hypothesis Backlog | Learning Card with evidence and next action |
Tagsno overlap | ValidationInterviewsPrototype | LeanStartupValidationMVP | ExperimentsPrioritizationDiscoveryHypothesis | ExperimentsValidationDiscoveryLearning |