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| Criterion |  UX Research Diary Study |  Operations ALPEN Method |  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. | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | 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 | Low | High |
Timedifferent | 1-4 Wochen | 10-20 min daily | 1-4 Wochen |
Participantsdifferent | 5-20 | 1 | 6-30 Experten |
Formatsame | Async | Async | Async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Daily Plan, Time Estimates, Review Notes | Expert Forecast, Consensus Range, Assumption Notes |
Tagsno overlap | UX researchTrackingBehavior | PlanningTime managementProductivityOperations | ForecastingExpertsDecisionStrategy |
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