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| Criterion |  Product Discovery Solution Interview |  Decision Making Delphi Method |  Product Discovery Problem Interview |
|---|---|---|---|
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. | When knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together. | 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. |
Complexitydifferent | Medium | High | Medium |
Timedifferent | 30-60 min je Interview | 1-4 Wochen | 30-60 min je Interview |
Participantsdifferent | 5-10 Interviews | 6-30 Experten | 5-12 Interviews |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Expert Forecast, Consensus Range, Assumption Notes | Problem Evidence, Risk Notes, Customer Segments |
Tagsno overlap | ValidationInterviewsPrototype | ForecastingExpertsDecisionStrategy | DiscoveryInterviewsValidation |
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