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| Criterion |  UX Research Diary Study |  Decision Making Delphi Method |  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. | 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 |
Timedifferent | 1-4 Wochen | 1-4 Wochen | 30-60 min |
Participantsdifferent | 5-20 | 6-30 Experten | 2-10 |
Formatdifferent | Async | Async | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Expert Forecast, Consensus Range, Assumption Notes | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | UX researchTrackingBehavior | ForecastingExpertsDecisionStrategy | DecisionRolesGovernanceAlignment |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
