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| Criterion |  Engineering Fault Isolation |  Operations Time Blocking |  Operations Eat the Frog |  Operations Ivy Lee Method |
|---|---|---|---|---|
Purposedifferent | In technical failures, the visible symptom often gets mixed up with the actual cause. Fault Isolation narrows the fault space and progressively reduces which part of the system is truly affected. | 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. | The method protects energy and attention for the task that creates the largest progress and is often postponed. | 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 | Medium | Low | Low | Low |
Timedifferent | 30-180 min | 15-30 min Planung, laufend | 15-90 min daily | 5-10 min daily |
Participantsdifferent | 1-6 | 1 | 1 | 1 |
Formatdifferent | Workshop + async | Async | Async | Async |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Blocked Calendar, Capacity View, Focus Plan | Priority Task, Completion Note, Daily Focus | Daily Priority List, Completion Notes |
Tagsno overlap | TroubleshootingDiagnosisEngineering | PlanningTime managementFocus | PrioritizationProductivityFocusExecution | PrioritizationProductivityExecution |