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| Criterion |  Agile Mad Sad Glad |  Knowledge Modeling Feynman Technique |  Agile Sprint Retrospective |  Agile 4Ls Retrospective |
|---|---|---|---|---|
Purposedifferent | 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. | The Feynman Technique checks understanding by explaining a topic so that it stays easy for others to understand. It makes knowledge gaps visible before they become costly in everyday work. | When a sprint is over and friction shouldn't simply be carried forward, it opens the view onto collaboration and patterns. It creates space to see causes and changes together. | 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. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 30-60 min | 20-60 min | Up to 3 hours for a one-month Sprint; shorter Sprints are usually shorter | 45–75 min |
Participantsdifferent | 3-10 | 1 | Scrum Team | Team members involved |
Formatdifferent | Workshop | Async | Workshop | Workshop |
Outputdifferent | Emotion Board, Themes, Action Items | Plain-language Explanation, Knowledge Gaps, Study Notes | Improvement actions, Team agreements | 4Ls Board, Learning Themes, Improvement Actions |
Tagsno overlap | RetrospectiveTeamReflection | LearningKnowledgeUnderstanding | RetrospectiveImprovementLearning | RetrospectiveLearningReflectionTeam |