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| Criterion |  Innovation Double Diamond |  Operations Learning Review |  Operations A3 Problem Solving |  Agile 4Ls Retrospective |
|---|---|---|---|---|
Purposedifferent | For complex problems with a fuzzy situation, the method cleanly separates search space and decision. It first creates breadth in understanding and then focus in elaboration. This brings open questions, problem definition, and solution path into a traceable movement. | 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 a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit 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. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | Wochen bis Monate | 1-3 h | 45-90 min | 45–75 min |
Participantsdifferent | 3-12 | 3-10 | 2-5 | Team members involved |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Learning Review Notes, System Factors, Improvement Actions | A3 Report, Action Plan, Root Cause Analysis | 4Ls Board, Learning Themes, Improvement Actions |
Tagsno overlap | ProcessDivergenceInnovation | LearningRetrospectiveIncidentOperations | LeanProblem solvingCoachingOperations | RetrospectiveLearningReflectionTeam |