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| Criterion |  Decision Making Delphi Method |  Operations Kepner-Tregoe |  Decision Making Constraint Analysis |  Operations ALPEN Method |
|---|---|---|---|---|
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. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. |
Complexitydifferent | High | High | Low | Low |
Timedifferent | 1-4 Wochen | 2-8 h | 30-90 min | 10-20 min daily |
Participantsdifferent | 6-30 Experten | 2-8 | 2-8 | 1 |
Formatdifferent | Async | Workshop + async | Workshop + async | Async |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Problem Analysis, Decision Analysis, Risk Plan | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | ForecastingExpertsDecisionStrategy | Problem solvingRoot causeDecisionOperations | ConstraintsDecisionPlanningOptions | PlanningTime managementProductivityOperations |