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| Criterion |  Decision Making Delphi Method |  Operations Getting Things Done |  Operations ALPEN Method |  Decision Making Constraint Analysis |
|---|---|---|---|---|
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. | With many open commitments and ideas in daily life, a reliable external storage system emerges. The method relieves the mind so priority and context don't have to compete in memory. | 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. | 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. |
Complexitydifferent | High | Medium | Low | Low |
Timedifferent | 1-4 Wochen | 1-2 h Setup, laufend | 10-20 min daily | 30-90 min |
Participantsdifferent | 6-30 Experten | 1 | 1 | 2-8 |
Formatdifferent | Async | Async | Async | Workshop + async |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Action Lists, Project List, Review Routine | Daily Plan, Time Estimates, Review Notes | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries |
Tagsno overlap | ForecastingExpertsDecisionStrategy | ProductivityPlanningTasksExecution | PlanningTime managementProductivityOperations | ConstraintsDecisionPlanningOptions |