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| Criterion |  Architecture Risk Storming |  Agile Sprint Retrospective |  Product Discovery Assumption Mapping |  Agile 4Ls Retrospective |
|---|---|---|---|---|
Purposedifferent | Helps clarify architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog. | 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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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 | Low | Low | Medium | Low |
Timedifferent | 60-90 min | Up to 3 hours for a one-month Sprint; shorter Sprints are usually shorter | 45-60 min | 45–75 min |
Participantsdifferent | 4-12 | Scrum Team | 2-8 | Team members involved |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop |
Outputdifferent | Annotated Diagram, Prioritized Risk List, Action Backlog | Improvement actions, Team agreements | Assumption map, Test backlog, Risk ranking | 4Ls Board, Learning Themes, Improvement Actions |
Tagsno overlap | RiskArchitectureWorkshopValidation | RetrospectiveImprovementLearning | AssumptionsRiskExperimentsValidation | RetrospectiveLearningReflectionTeam |