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| Criterion |  UX Research Diary Study |  Agile WSJF |  Decision Making Wideband Delphi |  Decision Making Delphi Method |
|---|---|---|---|---|
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 many tasks compete for the same capacity, it orders work by economic impact. It makes time lost, benefit, and effort comparable together. | A single opinion rarely holds up for planning when the future is genuinely uncertain. It separates options, evaluation criteria, and open risks. The result is captured as an Estimate Range, Assumption Log, and Expert Consensus Notes. | 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. |
Complexitydifferent | Medium | High | High | High |
Timedifferent | 1-4 Wochen | 45-90 min | 1-4 h or multiple rounds | 1-4 Wochen |
Participantsdifferent | 5-20 | 3-10 | 4-12 Experten | 6-30 Experten |
Formatdifferent | Async | Workshop | Workshop + async | Async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Ranked Backlog, Cost-of-Delay Assumptions | Estimate Range, Assumption Log, Expert Consensus Notes | Expert Forecast, Consensus Range, Assumption Notes |
Tagsno overlap | UX researchTrackingBehavior | LeanEconomicsSequencePrioritization | EstimationExpertsForecasting | ForecastingExpertsDecisionStrategy |