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| Criterion |  Operations A3 Problem Solving |  Operations Getting Things Done |  Operations Kepner-Tregoe |
|---|---|---|---|
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 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 disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. |
Complexitydifferent | Medium | Medium | High |
Timedifferent | 45-90 min | 1-2 h Setup, laufend | 2-8 h |
Participantsdifferent | 2-5 | 1 | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Action Lists, Project List, Review Routine | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | LeanProblem solvingCoachingOperations | ProductivityPlanningTasksExecution | Problem solvingRoot causeDecisionOperations |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
