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| Criterion |  Facilitation 1-2-4-All |  Product Discovery Solution Interview |  UX Research Usability Testing |  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 a solution idea is already on the table, it checks how it is understood and evaluated. It looks for resonance, objections, and missing fit early in the conversation. | When a product is built but people get stuck on tasks, usability testing shows the friction at concrete points. Observed use instead of self-report makes visible where orientation, understanding, or interaction breaks down. | 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 | Medium | Medium |
Timedifferent | 10-20 min | 30-60 min je Interview | 1-2 h je Session | 60-120 min |
Participantsdifferent | 4-100+ | 5-10 Interviews | Based on research question | 5-12 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Idea List, Shared Insights, Emergent Themes | Solution Feedback, Objection List, Validation Notes | Usability Issues, Severity List, Recommendations | Ranked Ideas, Clarified Options, Group Priority |
Tagsno overlap | FacilitationInclusionIdeation | ValidationInterviewsPrototype | ValidationUXPrototype | FacilitationPrioritizationVotingInclusion |