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| Criterion |  UX Research Contextual Inquiry |  Agile Affinity Estimation |  Decision Making Wideband Delphi |
|---|---|---|---|
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 many tasks need to be classified quickly, it sorts them by perceived effort and similarity. It reduces the effort of fine-grained estimation for large volumes. | 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. |
Complexitydifferent | Medium | Medium | High |
Timedifferent | 1-3 Wochen | 30-90 min | 1-4 h or multiple rounds |
Participantsdifferent | 4-12 Beobachtungen | 3-12 | 4-12 Experten |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Field Notes, Workflow Insights, Pain Points | Affinity Size Map, Grouped Estimates, Unclear Items | Estimate Range, Assumption Log, Expert Consensus Notes |
Tagsno overlap | UX researchObservationContext | EstimationBacklogRelative sizing | EstimationExpertsForecasting |
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