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| Criterion |  Decision Making Delphi Method |  Operations Eat the Frog |  Operations 8D Problem Solving |  Operations Ivy Lee 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. | The method protects energy and attention for the task that creates the largest progress and is often postponed. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | 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. |
Complexitydifferent | High | Low | High | Low |
Timedifferent | 1-4 Wochen | 15-90 min daily | 1-6 Wochen | 5-10 min daily |
Participantsdifferent | 6-30 Experten | 1 | 4-10 | 1 |
Formatdifferent | Async | Async | Workshop + async | Async |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Priority Task, Completion Note, Daily Focus | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Daily Priority List, Completion Notes |
Tagsno overlap | ForecastingExpertsDecisionStrategy | PrioritizationProductivityFocusExecution | QualityProblem solvingRoot cause | PrioritizationProductivityExecution |