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| Criterion |  Innovation Lean Startup |  Agile 4Ls Retrospective |  Agile Start Stop Continue |  Agile Sprint Retrospective |
|---|---|---|---|---|
Purposedifferent | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. | 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 wants to deliberately adjust its working behavior, it makes habits visible and assessable. It focuses on concrete changes instead of diffuse mood. | 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. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | Wochen bis Monate je Lernzyklus | 45–75 min | 30-60 min | Up to 3 hours for a one-month Sprint; shorter Sprints are usually shorter |
Participantsdifferent | 2-8 | Team members involved | 3-12 | Scrum Team |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | 4Ls Board, Learning Themes, Improvement Actions | Start Stop Continue Board, Improvement Actions | Improvement actions, Team agreements |
Tagsno overlap | LeanStartupValidationMVP | RetrospectiveLearningReflectionTeam | RetrospectiveImprovementTeamReflection | RetrospectiveImprovementLearning |