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| Criterion |  Decision Making Delphi Method |  Agile Planning Poker |  Decision Making Wideband Delphi |  Agile Bucket System |
|---|---|---|---|---|
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 estimates within the team diverge too much, it puts differing expectations on a common test bench. It separates rough complexity from unspoken assumptions. | 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 a large batch of work needs a fast, rough estimate, it sorts items into predefined size buckets. It sorts work by value, risk, and delivery ability. The result is captured as a Bucketed Backlog, Relative Estimates, and Split Candidates. |
Complexitydifferent | High | Low | High | Medium |
Timedifferent | 1-4 Wochen | 2-5 min je Item | 1-4 h or multiple rounds | 30-90 min |
Participantsdifferent | 6-30 Experten | 3-9 | 4-12 Experten | 3-12 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Relative Estimates, Assumption Notes, Split Candidates | Estimate Range, Assumption Log, Expert Consensus Notes | Bucketed Backlog, Relative Estimates, Split Candidates |
Tagsno overlap | ForecastingExpertsDecisionStrategy | EstimationAgileRelative sizingTeam | EstimationExpertsForecasting | EstimationBacklogRelative sizing |