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| Criterion |  UX Research Contextual Inquiry |  Decision Making Wideband Delphi |  Decision Making Delphi Method |
|---|---|---|---|
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. | 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 |
Timedifferent | 1-3 Wochen | 1-4 h or multiple rounds | 1-4 Wochen |
Participantsdifferent | 4-12 Beobachtungen | 4-12 Experten | 6-30 Experten |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | Field Notes, Workflow Insights, Pain Points | Estimate Range, Assumption Log, Expert Consensus Notes | Expert Forecast, Consensus Range, Assumption Notes |
Tagsno overlap | UX researchObservationContext | EstimationExpertsForecasting | ForecastingExpertsDecisionStrategy |
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