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| Criterion |  UX Research Contextual Inquiry |  Decision Making Delphi Method |  UX Research Diary Study |
|---|---|---|---|
Purposedifferent | When work processes are known only from accounts and the real context stays hidden, Contextual Inquiry makes behavior at the workplace visible. Observation and follow-up questions together show how people actually work, get interrupted, and improvise. | 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 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. |
Complexitydifferent | Medium | High | Medium |
Timedifferent | 1-3 Wochen | 1-4 Wochen | 1-4 Wochen |
Participantsdifferent | 4-12 Beobachtungen | 6-30 Experten | 5-20 |
Formatdifferent | Workshop + async | Async | Async |
Outputdifferent | Field Notes, Workflow Insights, Pain Points | Expert Forecast, Consensus Range, Assumption Notes | Diary Entries, Longitudinal Patterns, Experience Timeline |
Tagsno overlap | UX researchObservationContext | ForecastingExpertsDecisionStrategy | UX researchTrackingBehavior |
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