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| Criterion |  Operations Getting Things Done |  Operations ALPEN Method |  Decision Making Constraint Analysis |  Operations Eat the Frog |
|---|---|---|---|---|
Purposedifferent | 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 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. | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | The method protects energy and attention for the task that creates the largest progress and is often postponed. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 1-2 h Setup, laufend | 10-20 min daily | 30-90 min | 15-90 min daily |
Participantsdifferent | 1 | 1 | 2-8 | 1 |
Formatdifferent | Async | Async | Workshop + async | Async |
Outputdifferent | Action Lists, Project List, Review Routine | Daily Plan, Time Estimates, Review Notes | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Priority Task, Completion Note, Daily Focus |
Tagsno overlap | ProductivityPlanningTasksExecution | PlanningTime managementProductivityOperations | ConstraintsDecisionPlanningOptions | PrioritizationProductivityFocusExecution |