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| Criterion |  Decision Making Delphi Method |  Operations Time Blocking |  Operations Ivy Lee Method |  Operations Eat the Frog |
|---|---|---|---|---|
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 a calendar that grows on request, the method makes available time explicit again. It combines appointments, focus work, and buffer into a more realistic day structure. | 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. | The method protects energy and attention for the task that creates the largest progress and is often postponed. |
Complexitydifferent | High | Low | Low | Low |
Timedifferent | 1-4 Wochen | 15-30 min Planung, laufend | 5-10 min daily | 15-90 min daily |
Participantsdifferent | 6-30 Experten | 1 | 1 | 1 |
Formatsame | Async | Async | Async | Async |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Blocked Calendar, Capacity View, Focus Plan | Daily Priority List, Completion Notes | Priority Task, Completion Note, Daily Focus |
Tagsno overlap | ForecastingExpertsDecisionStrategy | PlanningTime managementFocus | PrioritizationProductivityExecution | PrioritizationProductivityFocusExecution |