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| Criterion |  Decision Making Wideband Delphi |  Decision Making Delphi Method |  Product Strategy KPI Tree |  Engineering Goal Question Metric |
|---|---|---|---|---|
Purposedifferent | 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. | When metrics across the organization drift apart, it arranges drivers and effects under one shared logic. It connects customer value, product logic, and decision priorities. The result is captured as a KPI tree and owner list. | 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 | High | Medium | Medium |
Timedifferent | 1-4 h or multiple rounds | 1-4 Wochen | 90-180 min initial, dann laufend | 90-180 min |
Participantsdifferent | 4-12 Experten | 6-30 Experten | 3-8 | 3-6 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop |
Outputdifferent | Estimate Range, Assumption Log, Expert Consensus Notes | Expert Forecast, Consensus Range, Assumption Notes | KPI Tree, Owner List | GQM Table, Metric Profiles |
Tagsno overlap | EstimationExpertsForecasting | ForecastingExpertsDecisionStrategy | MetricsStrategyAlignmentMeasurement | MetricsMeasurementEngineeringAlignment |