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| Criterion |  Operations A3 Problem Solving |  Operations ALPEN Method |  Operations Eat the Frog |  Operations Ivy Lee Method |
|---|---|---|---|---|
Purposedifferent | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | 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. | 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 | 45-90 min | 10-20 min daily | 15-90 min daily | 5-10 min daily |
Participantsdifferent | 2-5 | 1 | 1 | 1 |
Formatdifferent | Workshop + async | Async | Async | Async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Daily Plan, Time Estimates, Review Notes | Priority Task, Completion Note, Daily Focus | Daily Priority List, Completion Notes |
Tagsno overlap | LeanProblem solvingCoachingOperations | PlanningTime managementProductivityOperations | PrioritizationProductivityFocusExecution | PrioritizationProductivityExecution |