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| Criterion |  Product Discovery Kano Model |  Innovation Design Charrette |  Facilitation Nominal Group Technique |  Facilitation 1-2-4-All |
|---|---|---|---|---|
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. | In a tightly timed design process with many participants, the method pools several lines of thinking in a short time. It brings parallel design energy without letting the discussion tip into endless coordination. This quickly produces solid directions for architecture or space. | 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 | Medium | Low |
Timedifferent | 1-2 Tage | Halber Tag bis mehrere Tage | 60-120 min | 10-20 min |
Participantsdifferent | 10-50 | 10-50 | 5-12 | 4-100+ |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Kano Matrix, Feature Classes, Priority Themes | Sketches and Concepts, Consolidated Solution Sketch, Prioritized Direction | Ranked Ideas, Clarified Options, Group Priority | Idea List, Shared Insights, Emergent Themes |
Tagsno overlap | SatisfactionPrioritizationCustomer | BrainstormingWorkshopCollaborationIdeation | FacilitationPrioritizationVotingInclusion | FacilitationInclusionIdeation |