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| Criterion |  Innovation Double Diamond |  Operations After-Action Review |  Agile Sprint Retrospective |  Operations Gemba Walk |
|---|---|---|---|---|
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 missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. | 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 there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | Wochen bis Monate | 20-45 min | Up to 3 hours for a one-month Sprint; shorter Sprints are usually shorter | 30-120 min |
Participantsdifferent | 3-12 | 3-12 | Scrum Team | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Lessons learned, Action items, Event summary | Improvement actions, Team agreements | Observation Notes, Improvement Ideas |
Tagsno overlap | ProcessDivergenceInnovation | LearningOperationsImprovement | RetrospectiveImprovementLearning | LeanObservationProcessOperations |