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| Criterion |  Decision Making Delphi Method |  Operations Getting Things Done |  Decision Making Assumption Surfacing |  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. | 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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | 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 | Medium | Low | Low |
Timedifferent | 1-4 Wochen | 1-2 h Setup, laufend | 45-90 min | 10-20 min daily |
Participantsdifferent | 6-30 Experten | 1 | 2-8 | 1 |
Formatdifferent | Async | Async | Workshop + async | Async |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Action Lists, Project List, Review Routine | Assumption List, Critical Assumptions, Learning Plan | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | ForecastingExpertsDecisionStrategy | ProductivityPlanningTasksExecution | AssumptionsRiskDecisionDiscovery | PlanningTime managementProductivityOperations |