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| Criterion |  Product Discovery Kano Model |  Facilitation Nominal Group Technique |  Facilitation Open Space Technology |  Facilitation Dot Voting |
|---|---|---|---|---|
Purposedifferent | 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 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 a complex topic does not yet have a fitting agenda, Open Space Technology hands topic ownership back to the participants. The format suits questions that only move forward when real interest determines the order. | When a workshop has produced too many options and the group needs to condense quickly, dot voting makes preferences visible in a short time. It bundles individual votes into a solid signal for the next selection. |
Complexitydifferent | Medium | Medium | High | Low |
Timedifferent | 1-2 Tage | 60-120 min | 0.5-2 Tage | 5-15 min |
Participantsdifferent | 10-50 | 5-12 | 20-500+ | 3-20 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Kano Matrix, Feature Classes, Priority Themes | Ranked Ideas, Clarified Options, Group Priority | Session Marketplace, Proceedings, Action Topics | Ranked list, Consensus signal, Shortlist |
Tagsno overlap | SatisfactionPrioritizationCustomer | FacilitationPrioritizationVotingInclusion | FacilitationLarge groupAutonomy | FacilitationVotingConsensusPrioritization |