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| Criterion |  Innovation Brainwriting |  UX Research Affinity Diagramming |  Innovation Round Robin Brainstorming |  Facilitation 1-2-4-All |
|---|---|---|---|---|
Purposedifferent | 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 research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. | With unevenly distributed speaking time, the method brings every person into the contribution one after another. It prevents early voices from setting the direction while still producing a shared idea space. This makes participation plannable and the team's diversity visible. | 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. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 15-30 min | 45–90 min | 20-45 min | 10-20 min |
Participantsdifferent | 3-12 | 3-10 | 4-10 | 4-100+ |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Idea sheets, Expanded concepts, Prioritized list | Theme clusters, Insight statements, Opportunity areas | Idea List, Cluster, Shortlist | Idea List, Shared Insights, Emergent Themes |
Tagsno overlap | BrainstormingCollaborationInclusionIdeas | SynthesisQualitativeRoot cause | BrainstormingIdeationFacilitationInclusionCreativity | FacilitationInclusionIdeation |