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| Criterion |  Facilitation Nominal Group Technique |  Product Discovery Opportunity Interview |  Product Discovery Kano Model |  Facilitation 1-2-4-All |
|---|---|---|---|---|
Purposedifferent | 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 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 features need to be distinguished by their effect on satisfaction, it makes expectations and surprises comparable. It separates basic needs, performance contribution, and delight. | 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 | Medium | Low |
Timedifferent | 60-120 min | 30-60 min je Interview | 1-2 Tage | 10-20 min |
Participantsdifferent | 5-12 | 5-12 Interviews | 10-50 | 4-100+ |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Ranked Ideas, Clarified Options, Group Priority | Interview Notes, Opportunity Themes, Customer Quotes | Kano Matrix, Feature Classes, Priority Themes | Idea List, Shared Insights, Emergent Themes |
Tagsno overlap | FacilitationPrioritizationVotingInclusion | DiscoveryInterviewsOpportunityCustomer | SatisfactionPrioritizationCustomer | FacilitationInclusionIdeation |