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| Criterion |  UX Research Card Sorting |  Innovation Brainwriting |  Facilitation Dot Voting |  Facilitation Nominal Group Technique |
|---|---|---|---|---|
Purposedifferent | When content only makes sense internally and users can't find the structure again, card sorting exposes their mental order. Terms, groups, and naming are then aligned with the target group's expectations. | 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 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. | 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 | Low | Low | Medium |
Timedifferent | 20-45 min | 15-30 min | 5-15 min | 60-120 min |
Participantsdifferent | Based on research question | 3-12 | 3-20 | 5-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Content groups, Label set, IA hypotheses | Idea sheets, Expanded concepts, Prioritized list | Ranked list, Consensus signal, Shortlist | Ranked Ideas, Clarified Options, Group Priority |
Tagsno overlap | Information architectureNavigationStructure | BrainstormingCollaborationInclusionIdeas | FacilitationVotingConsensusPrioritization | FacilitationPrioritizationVotingInclusion |