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| Criterion |  Decision Making Delphi Method |  Product Discovery Problem Interview |  Product Discovery Assumption Mapping |
|---|---|---|---|
Purposedifferent | 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. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | High | Medium | Medium |
Timedifferent | 1-4 Wochen | 30-60 min je Interview | 45-60 min |
Participantsdifferent | 6-30 Experten | 5-12 Interviews | 2-8 |
Formatdifferent | Async | Workshop + async | Workshop + async |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Problem Evidence, Risk Notes, Customer Segments | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | ForecastingExpertsDecisionStrategy | DiscoveryInterviewsValidation | AssumptionsRiskExperimentsValidation |
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