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| Criterion |  Operations Fishbone Diagram |  Agile 4Ls Retrospective |  Operations Failure Mode and Effects Analysis |  Agile Mad Sad Glad |
|---|---|---|---|---|
Purposedifferent | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | When a sprint should not only be assessed but also learned from, it captures experience in clear learning categories. It records what worked, what's missing, and what should run differently next time. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | 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 | Low | High | Low |
Timedifferent | 30-60 min | 45–75 min | 2-6 h | 30-60 min |
Participantsdifferent | 2-8 | Team members involved | 3-10 | 3-10 |
Formatsame | Workshop | Workshop | Workshop | Workshop |
Outputdifferent | Fishbone Diagram, Cause Categories, Investigation Backlog | 4Ls Board, Learning Themes, Improvement Actions | FMEA Table, Risk Priority, Mitigation Actions | Emotion Board, Themes, Action Items |
Tagsno overlap | Root causeQualityOperations | RetrospectiveLearningReflectionTeam | RiskQualityOperationsRoot cause | RetrospectiveTeamReflection |