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| Criterion |  Product Discovery Problem Interview |  Facilitation Nominal Group Technique |  Facilitation 1-2-4-All |
|---|---|---|---|
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 loud voices could dominate a round, Nominal Group Technique protects individual thinking time from group effects. It collects ideas separately first and only then enables shared weighting. | When many people in a group too rarely get to speak, 1-2-4-All distributes thinking time more fairly. The format builds participation step by step and makes quiet or still-unformed thoughts usable faster. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 30-60 min je Interview | 60-120 min | 10-20 min |
Participantsdifferent | 5-12 Interviews | 5-12 | 4-100+ |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Problem Evidence, Risk Notes, Customer Segments | Ranked Ideas, Clarified Options, Group Priority | Idea List, Shared Insights, Emergent Themes |
Tagsno overlap | DiscoveryInterviewsValidation | FacilitationPrioritizationVotingInclusion | FacilitationInclusionIdeation |
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