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| Criterion |  Operations 5 Whys |  Operations Pomodoro Technique |  Operations Root Cause Analysis |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | 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. | For easily distracted solo work, the method sets clear time boundaries for concentrated work. It protects attention when large tasks would otherwise fall apart into small avoidance moves. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. |
Complexitydifferent | Low | Low | Medium | High |
Timedifferent | 15-30 min | 25 min Zyklen | 1-4 h | 1-6 Wochen |
Participantsdifferent | 2-6 | 1 | 3-8 | 4-10 |
Formatdifferent | Workshop | Async | Workshop + async | Workshop + async |
Outputdifferent | Root cause notes, Countermeasures | Focus Sessions, Task Progress, Interruption Notes | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | Root causeIncidentLeanProblem solving | FocusTime managementProductivityExecution | Root causeProblem solvingQualityIncident | QualityProblem solvingRoot cause |