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| Criterion |  Facilitation 1-2-4-All |  Product Discovery Kano Model |  Innovation Brainstorming |  Facilitation Nominal Group Technique |
|---|---|---|---|---|
Purposedifferent | 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. | 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 a team faces an open question with many obvious directions, the method first creates breadth instead of premature commitment. It separates idea flow from evaluation and makes lines of thought visible, creating a pool for selection and further development. | 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 | Low | Medium |
Timedifferent | 10-20 min | 1-2 Tage | 30-60 min | 60-120 min |
Participantsdifferent | 4-100+ | 10-50 | 4-12 | 5-12 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Idea List, Shared Insights, Emergent Themes | Kano Matrix, Feature Classes, Priority Themes | Idea pool, Theme clusters, Shortlist | Ranked Ideas, Clarified Options, Group Priority |
Tagsno overlap | FacilitationInclusionIdeation | SatisfactionPrioritizationCustomer | BrainstormingIdeationCreativityWorkshopDivergence | FacilitationPrioritizationVotingInclusion |