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| Criterion |  Decision Making Delphi Method |  Product Discovery Fake Door Test |  Engineering Goal Question Metric |
|---|---|---|---|
Purposedifferent | 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 demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. | Helps clarify technical problems, hypotheses, and next steps in concrete terms. It breaks a technical problem into testable parts. The result is captured as a GQM table and metric briefs. |
Complexitydifferent | High | Medium | Medium |
Timedifferent | 1-4 Wochen | 1-5 Tage | 90-180 min |
Participantsdifferent | 6-30 Experten | Nutzertraffic | 3-6 |
Formatdifferent | Async | Async | Workshop |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Click Data, Interest Signal, Learning Decision | GQM Table, Metric Profiles |
Tagsno overlap | ForecastingExpertsDecisionStrategy | ValidationExperimentsDemandDiscovery | MetricsMeasurementEngineeringAlignment |
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