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| Criterion |  UX Research Diary Study |  Decision Making Delphi Method |  Agile NoEstimates |  Product Strategy Impact Mapping |
|---|---|---|---|---|
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 estimating slows a team down more than it helps, it shifts the focus to flow, small slices, and real lead time. It sorts work by value, risk, and delivery ability. The result is captured as Throughput Data, Flow Forecast, and Slicing Rules. | When a goal needs to be connected to several possible paths, it shows chains of impact instead of feature lists. It connects business goal, behavior change, and measures. |
Complexitydifferent | Medium | High | Medium | Medium |
Timedifferent | 1-4 Wochen | 1-4 Wochen | laufend | 45-90 min |
Participantsdifferent | 5-20 | 6-30 Experten | 2-12 | 3-8 |
Formatdifferent | Async | Async | Workshop + async | Workshop |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Expert Forecast, Consensus Range, Assumption Notes | Throughput Data, Flow Forecast, Slicing Rules | Impact Map, Outcome Hypotheses, Delivery Options |
Tagsno overlap | UX researchTrackingBehavior | ForecastingExpertsDecisionStrategy | EstimationForecastingFlow | OutcomesStrategyBehaviorPlanning |