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| Criterion |  Innovation Brainwriting |  Product Discovery Opportunity Interview |  Facilitation Nominal Group Technique |
|---|---|---|---|
Purposedifferent | When loud voices or hierarchy distort the idea search, the method creates a quiet entry into joint development. It gives everyone thinking space and gathers contributions without social brakes, making diversity more visible and easier to build on. | When opportunities are still hidden behind signals of need, it structures conversations around needs and obstacles. It looks for patterns that lead to new product opportunities. | 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. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 15-30 min | 30-60 min je Interview | 60-120 min |
Participantsdifferent | 3-12 | 5-12 Interviews | 5-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Idea sheets, Expanded concepts, Prioritized list | Interview Notes, Opportunity Themes, Customer Quotes | Ranked Ideas, Clarified Options, Group Priority |
Tagsno overlap | BrainstormingCollaborationInclusionIdeas | DiscoveryInterviewsOpportunityCustomer | FacilitationPrioritizationVotingInclusion |
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