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| Criterion |  UX Research Diary Study |  Decision Making Delphi Method |  Facilitation 3-Circle Venn Diagram |  Decision Making DACI |
|---|---|---|---|---|
Purposedifferent | When experiences build up over days or weeks and a single session cannot capture them, Diary Study records the course of everyday life. Recurring triggers, moods, and habits become visible this way, beyond the sharpness of memory. | When knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together. | When three perspectives matter at the same time, a Three-Circle Venn Diagram shows the overlaps and remainders precisely. It makes visible where shared effect arises and where only a partial perspective applies. | In cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. |
Complexitydifferent | Medium | High | Low | Low |
Timedifferent | 1-4 Wochen | 1-4 Wochen | 15-45 min | 30-60 min |
Participantsdifferent | 5-20 | 6-30 Experten | 2-8 | 2-10 |
Formatdifferent | Async | Async | Workshop + async | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Expert Forecast, Consensus Range, Assumption Notes | Venn Diagram, Overlap Notes, Differentiators | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | UX researchTrackingBehavior | ForecastingExpertsDecisionStrategy | ComparisonFacilitationAlignment | DecisionRolesGovernanceAlignment |