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| Criterion |  Operations Getting Things Done |  Operations Change Analysis |  Operations Kepner-Tregoe |  Operations ALPEN Method |
|---|---|---|---|---|
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. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | 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. |
Complexitydifferent | Medium | Medium | High | Low |
Timedifferent | 1-2 h Setup, laufend | 45-120 min | 2-8 h | 10-20 min daily |
Participantsdifferent | 1 | 2-6 | 2-8 | 1 |
Formatdifferent | Async | Workshop + async | Workshop + async | Async |
Outputdifferent | Action Lists, Project List, Review Routine | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Problem Analysis, Decision Analysis, Risk Plan | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | ProductivityPlanningTasksExecution | ChangeRoot causeTroubleshootingComparison | Problem solvingRoot causeDecisionOperations | PlanningTime managementProductivityOperations |