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| Criterion |  Operations A3 Problem Solving |  Agile Specification by Example |  DevOps Game Day |  Operations Gemba Walk |
|---|---|---|---|---|
Purposedifferent | 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 business rules need to become precise, it ties language, example, and test together. It sorts work by value, risk, and delivery ability. The result is captured as an Example Table and Acceptance Tests. | In preparing for rare incidents, the method tests response capability under controlled conditions. It shows where assumptions about stability, roles, and recovery are too optimistic. | 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 | Medium | High | Low |
Timedifferent | 45-90 min | 60-90 min pro Feature | Halber Tag | 30-120 min |
Participantsdifferent | 2-5 | 3-6 | 5-20 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Example Table, Acceptance Tests | Simulation Notes, Gaps List, Updated Runbooks | Observation Notes, Improvement Ideas |
Tagsno overlap | LeanProblem solvingCoachingOperations | AgileRequirementsExamplesBehavior-Driven Development | ResilienceOperationsIncident | LeanObservationProcessOperations |