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| Criterion |  Operations Getting Things Done |  Operations 5 Whys |  Operations Weekly Review |  Operations A3 Problem Solving |
|---|---|---|---|---|
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 single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | In a week with many open loops, the method creates distance from operational noise. It organizes commitments, calendar, and projects so the next week becomes workable. | 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. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | 1-2 h Setup, laufend | 15-30 min | 30-60 min | 45-90 min |
Participantsdifferent | 1 | 2-6 | 1 | 2-5 |
Formatdifferent | Async | Workshop | Async | Workshop + async |
Outputdifferent | Action Lists, Project List, Review Routine | Root cause notes, Countermeasures | Updated Task System, Weekly Focus, Next Actions | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | ProductivityPlanningTasksExecution | Root causeIncidentLeanProblem solving | ProductivityExecutionPlanning | LeanProblem solvingCoachingOperations |