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| Criterion |  Operations Learning Review |  Innovation TRIZ |  Agile 4Ls Retrospective |  Agile Mad Sad Glad |
|---|---|---|---|---|
Purposedifferent | After a project phase with mixed results, the method makes learning from the individual case reusable. It connects events, decisions, and systemic conditions into robust insights. | For technical contradictions or trade-offs, the method looks for solutions that resolve opposing requirements at the same time. It translates limits into an explicit picture of conflict that becomes workable. This produces not just compromises but more elegant principles. | 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. | 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 | Medium | High | Low | Low |
Timedifferent | 1-3 h | 1-4 h | 45–75 min | 30-60 min |
Participantsdifferent | 3-10 | 2-8 | Team members involved | 3-10 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Learning Review Notes, System Factors, Improvement Actions | Contradiction Statement, Inventive Principles, Solution Concepts | 4Ls Board, Learning Themes, Improvement Actions | Emotion Board, Themes, Action Items |
Tagsno overlap | LearningRetrospectiveIncidentOperations | InnovationProblem solvingContradictionsCreativity | RetrospectiveLearningReflectionTeam | RetrospectiveTeamReflection |