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| Criterion |  Decision Making Wideband Delphi |  Decision Making Delphi Method |  Engineering Goal Question Metric |  Product Strategy Counter Metrics |
|---|---|---|---|---|
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. | 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. | When a headline metric could mask side effects, it adds guardrail signals against unwanted outcomes. It connects customer value, product logic, and decision priorities. The result is captured as a counter-metric list and guardrail definitions. |
Complexitydifferent | High | High | Medium | Low |
Timedifferent | 1-4 h or multiple rounds | 1-4 Wochen | 90-180 min | 30-60 min |
Participantsdifferent | 4-12 Experten | 6-30 Experten | 3-6 | 2-6 |
Formatdifferent | Workshop + async | Async | Workshop | Workshop + async |
Outputdifferent | Estimate Range, Assumption Log, Expert Consensus Notes | Expert Forecast, Consensus Range, Assumption Notes | GQM Table, Metric Profiles | Counter Metric List, Guardrail Definitions |
Tagsno overlap | EstimationExpertsForecasting | ForecastingExpertsDecisionStrategy | MetricsMeasurementEngineeringAlignment | MetricsMeasurementStrategyExperiments |