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| Criterion |  Decision Making Delphi Method |  Operations Getting Things Done |  Operations Ivy Lee Method |  Operations Weekly Review |
|---|---|---|---|---|
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 a restless workday full of too many open items, the method creates radical simplicity. It directs attention to a short sequence instead of a broad, still-open field. | In a week with many open loops, the method creates distance from operational noise. It organizes commitments, calendar, and projects so the next week becomes workable. |
Complexitydifferent | High | Medium | Low | Low |
Timedifferent | 1-4 Wochen | 1-2 h Setup, laufend | 5-10 min daily | 30-60 min |
Participantsdifferent | 6-30 Experten | 1 | 1 | 1 |
Formatsame | Async | Async | Async | Async |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Action Lists, Project List, Review Routine | Daily Priority List, Completion Notes | Updated Task System, Weekly Focus, Next Actions |
Tagsno overlap | ForecastingExpertsDecisionStrategy | ProductivityPlanningTasksExecution | PrioritizationProductivityExecution | ProductivityExecutionPlanning |