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| Criterion |  Facilitation Timeline |  Product Discovery Assumption Mapping |  Facilitation Nominal Group Technique |  Facilitation 1-2-4-All |
|---|---|---|---|---|
Purposedifferent | When a project, incident, or change process is only remembered in fragments, Timeline brings the sequence back into a readable form. It makes turning points, precursors, and after-effects recognizable over the course of time. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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 | Low | Medium | Medium | Low |
Timedifferent | 30-90 min | 45-60 min | 60-120 min | 10-20 min |
Participantsdifferent | 2-12 | 2-8 | 5-12 | 4-100+ |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Timeline, Milestones, Insight Notes | Assumption map, Test backlog, Risk ranking | Ranked Ideas, Clarified Options, Group Priority | Idea List, Shared Insights, Emergent Themes |
Tagsno overlap | TimelineFacilitationSequence | AssumptionsRiskExperimentsValidation | FacilitationPrioritizationVotingInclusion | FacilitationInclusionIdeation |