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| Criterion |  Operations 5 Whys |  Operations 8D Problem Solving |  Agile Start Stop Continue |  Agile Mad Sad Glad |
|---|---|---|---|---|
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 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. | When a team wants to deliberately adjust its working behavior, it makes habits visible and assessable. It focuses on concrete changes instead of diffuse mood. | When a team's or workshop's mood needs to become readable, it structures emotional signals with little setup. It makes strain, relief, and sources of energy tangible. |
Complexitydifferent | Low | High | Low | Low |
Timedifferent | 15-30 min | 1-6 Wochen | 30-60 min | 30-60 min |
Participantsdifferent | 2-6 | 4-10 | 3-12 | 3-10 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Root cause notes, Countermeasures | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Start Stop Continue Board, Improvement Actions | Emotion Board, Themes, Action Items |
Tagsno overlap | Root causeIncidentLeanProblem solving | QualityProblem solvingRoot cause | RetrospectiveImprovementTeamReflection | RetrospectiveTeamReflection |